Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Cancer
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Pesticide Registration

List of Pesticide Regulatory Consultants

To find antimicrobial pesticide consultants beyond the list below, contact the Household & Commercial Products Association. To find additional biopesticide consultants, contact the Biological Products Industry Alliance.

Notice: The inclusion of any business in this listing does not constitute a recommendation or endorsement by the Environmental Protection Agency. In addition, you will need to contact the entity you’re interested in working with to confirm they are still operating as a regulatory consultant.

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z

Email: clin@agrochemconsulting.com

Company Name Individual Contact Location Contact Information
Aal Regulatory Consulting Terri Siemer-Aal Reedley, CA Phone: 559-859-1281; 559-637-4576
Acadia Regulatory Consulting, LLC John Fournier Ithaca, NY Phone: 607-220-4860
Email: John@acadiaregulatory.com
ACTA Group LLC James V. Aidala
Lynn L. Bergeson
Sheryl L. Dolan
Dana S. Lateulere
Washington, DC Phone: 202-266-5024
Email: https://www.actagroup.com 
Adams Technology Systems Rob R. Adams Jr. Alpharetta, GA Phone: 770-751-1073
Agricultural Services Inc. Steve Lovell Valdosta, GA Phone: 912-244-4516
Agriculture & Biotechnology Strategies Inc. Morven A. McLean PhD Merrickville ONT, Canada Phone; 613-269-7966
Agricultural Research Initiatives, Inc Dr. Kelly Cartwright Fayetteville, AR Phone: 479-841-3699
Fax: 479-575-7446
Ag-Chem Consulting LLC Dr. Matthew Brooks Clifton, VA Phone: 703-266-0128
AgroChem Consulting, Inc. Candice Lin Ottawa, ON Canada Phone: 613-816-8661; Email: clin@agrochemconsulting.com
Web: https://www.agrochemconsulting.com
Alice Walker Consulting Alice Walker, Ph.D. Senatobia, MS Phone: 662-562-5995
Allen Matkins Leck Gamble Mallory & Natsis LLP Dana P. Palmer Los Angeles, CA  Phone: 213-955-5613
Email: dpalmer@allenmatkins.com
Alston & Bird LLP Kevin Minoli
Elise Paeffgen
Washington, DC Phone: 202-239-3760; Email: kevin.minoli@alston.com
Phone: 202-239-3939; Email: elise.paeffgen@alston.com
Web: https://www.alston.com/en/
Arent Fox PLLC Stanley H. Abramson
Donald C. McLean
Karen E. Carr
Robert G. Edwards, Ph.D.
Washington, DC Phone: 202-857-6000
Arnold & Porter Lawrence Culleen Washington, DC Phone: 202-942-5477
Avondale Regulatory Consulting, LLC Martin Hoagland Gallatin, TN Phone: 629-203-9388
Email: mhoagland@avondalereg.com
Barnes & Thornburg LLP Joel Bowers
Richard E. Glaze, Jr.
South Bend, IN 46601
Atlanta, GA 30326-1092
Phone: 574-237-1287; Email: JBowers@btlaw.com
Phone: 404-264-4012; Email: RGlaze@btlaw.com
Bergeson & Campbell, P.C. Lynn L. Bergeson
James V. Aidala
Washington, DC Phone: 202-557-3800
Beveridge & Diamond Alan Sachs Washington, DC Phone: 202-789-6049
Email: asachs@bdlaw.com
BioNet International corp. Frederick D. Obenchain Manassas, VA Phone: 703-361-9508
Bondurants Consulting LLC M. Sam Bondurant Germantown, TN 38138 Phone: 901-751-0989
Cell: 901-496-4755
BRAND MAVEN Consulting Eric White
Alex Camacho
Christy Leeper
Bakersfield, CA
Sacramento, CA
Helena, MT
Phone: 661-210-3603 x801;Email: eric@brandmavenconsulting.com
Phone: 661-210-3603 x802;Email: alex.camacho@brandmavenconsulting.com
Phone: 661-210-3603 x803;Email: christy.leeper@brandmavenconsulting.com
Web: https://www.BrandMavenConsulting.com 
Brassard Pesticide Regulatory Solutions Candy and David Brassard Washington, DC Phone: 703-725-6413; 703-568-4895
Email: https://www.pesticideregsolutions.com
Brazos Associates, Inc Michael A. Jackson
Mary Beth Endres
Marla K. Jackson
Carrollton, TX Phone: 972-939-8390
Burdock Group Dr. George Burdock Orlando, FL Phone: 407-802-1400
Email: info@burdockgroup.com
Web: https://burdockgroup.com/
Burhans Consulting LLC John Burhans Weston, CT Phone: 203-418-7713
Email: Clientservices@burhanslogistics.com 
Carroll-Loye Biological Research Dr. Scott Carroll, Director Davis, CA Phone: 530-902-8267; 530-297-6080
Email: Scott@Carroll-Loye.com
Web: https://www.carroll-loye.com
Ceres International LLC Bert Volger West Chester, PA Phone: 610-793-3222
Chemical Consultant's International, Inc. E.M. Bellet Overland Park, KS Phone: 913-208-5851
Email: genebellet@gmail.com
CIRS Group USA, Inc. Lucy Wang Arlington, VA

Phone: 703-520-1420
Email: usaservice@cirs-group.com
Web: https://www.cirs-group.com/en

C. M. Schofield Consulting Mike Schofield Columbia, MO Phone: 573-446-6451
Compass Regulatory, Inc Tammy Zimmer,
Matt Meisner
San Francisco, CA Phone: 1-916-494-9993 
Phone: 1-608-234-8161
Email: reg@compassregulatory.com
Web: https://www.compassregulatory.com
Compliance Services International Jeremiah Wilson
Jennifer Stafford
Lakewood, WA Phone: 541-516-1277; Email: JWilson@complianceservices.com;
Phone: 253-473-9007; Email: JStafford@complianceservices.com;
Web: http://www.complianceservices.com/
Conn & Smith Richard Conn
Cynthia A. Smith
Lorton, VA Phone: 703-339-4199
Phone: 703-339-1117
Cozen O'Connor Marcia Mulkey Philadelphia, PA Phone: 215-665-2122
Crowell & Moring LLP Peter Gray
Warren Lehrenbaum
Amy Symonds
Washington, DC Phone: 202-624-2513; Email: PGray@crowell.com
Phone: 202-624-2755; Email: WLehrenbaum@crowell.com
Phone: 202-624-2536; Email: ASymonds@crowell.com
Data Group Management, Inc. Katie Miller Raleigh, NC

Phone: 919-848-3237
Email: datagroup@dgminc.net
Web: https://www.datagroupmanagement.com/

Delta Analytical Corp. Jeff Jones
Cristina Griffin
Donna Leventhal
Silver Spring, MD Phone: 301-680-7971
Email: jjones@delta-ac.com
Web: delta-ac.com
Dentons Stan Landfair
Tisha B. Schestopol
Bob Schuda
Gary Roberts
San Francisco, CA
Washington, DC
Phone: 415-267-4170; Email: stan.landfair@dentons.com
Phone: 202-496-7165; Email: tisha.schestopol@dentons.com
Phone: 213-243-6136; Email: bob.schuda@dentons.com
Phone: 213-892-5005; Email: gary.roberts@dentons.com
D.H.Dawe & Associates David H. Dawe, Ph.D. Dumfries, VA Phone: 559-960-2245 or 703-590-7570
DKSTS Consulting Services Daljit Nagpal Winter: Lorida, Florida
Spring, Summer & Fall: Ottawa, Ontario
Phone (Florida): 1-863-467-0162 
Phone (Canada): 1-613-316-2156 or 1-613-225-3552
Email: dkstsconsultingservices@gmail.com
DLA Piper LLP Jesse Medlong San Francisco, CA Phone: 415-836-2594
Email: jesse.medlong@us.dlapiper.com
D. O'Shaughnessy Consulting Inc. Don O'Shaughnessy, Ph.D, DABT Cub Run, KY Phone: 270-524-5633
Fax: 270-524-5634
Ecomark  Russell Waterman Orlando, FL Phone: 407-876-3705
Edward Lyle Edward Lyle Washington, DC Phone: 202-783-8716
Elliot Gordon Consulting, LLC Elliot Gordon Princeton Junction, NJ Phone: 609-936-1977; 917-513-0783
Email: soundscience@comcast.net
Environmental Compliance Specialists, inc Tony Martinez
REM Michelle Martinez
Colorado Springs, CO Phone: 719-237-6116
Environmental Resources Management (ERM) Maryann Sanders, Technical Director Holland, Michigan Phone: 616-738-7348
Email: Maryann.Sanders@erm.com
Exponent 

Jim Messina
Stephanie Stephens
Carrie Daniels
Diane Boesenberg
Ian Van Trump
Emily Saad
Casey Pehrson
Shannon Owings

Washington, DC

Phone: 301-908-1181; Email: jmessina@exponent.com
Phone: 435-647-6209; Email: sstephens@exponent.com
Phone: 202-772-4916; Email: cdaniels@exponent.com
Phone: 202-834-1431; Email: dboesenberg@exponent.com
Phone: 916-306-2684; Email: ivantrump@exponent.com
Phone: 916-306-2683; Email: esaad@exponent.com
Phone: 202-341-4430; Email: cpehrson@exponent.com
Phone: 202-772-4964; Email: sowings@exponent.com

Forster & Associates Consulting, LLC Vickie A. Forster Wilmington, DE Phone: 302-383-3313
Garvey, Schubert & Barer Matthew R. Schneider Washington, DC Phone: 202-965-7880
Geosyntec Consultants, Inc. Travis R. Kline, MEM, BCES Washington, DC Phone: 202-370-4352 or 518-965-1848
Email: tkline@geosyntec.com
Greenberg Traurig, LLP Darci Ferrer
Seth Goldberg
Washington, DC Phone: 202-530-8595; Email: Darci.Ferrer@gtlaw.com
Phone: 202-331-3102; Email: Seth.Goldberg@gtlaw.com
Harvard School of Public Health  (efficacy data) Richard Pollack, Ph.D. Boston, MA Phone: 617-432-1587 
Hunton Andrews Kurth LLP Matthew Z. Leopold
Gregory R. Wall
Nancy B. Beck, PhD, DABT
Javaneh S. Tarter
Washington, DC;
Richmond, VA
Phone: 202-955-1500
Phone: 804-788-8200
Web: https://www.huntonak.com/en/practices/environmental/pesticides.html
INREX, LLC Markus W. Brombacher, President Vienna, VA Phone: 703-242-2506
Email: mwb@inrex.com
Web: http://www.inrex.com/
Insect Control & Research Robin Todd Baltimore, MD Phone: 410-747-3078, 4500
Intertek Scientific & Regulatory Consultancy (Canada) Jessica Walsh Mississauga, ON Canada Phone: 905-542-2900
Jerry A. Moore PhD, J.D. Inc. Jerry A Moore PhD, J.D. Fairfax, VA Phone: 703-802-8616
John Kennedy Consultants Inc. John Kennedy Stevensville, MD  Phone: 443-249-0100
Jacobs Law Firm PLLC Jon Jacobs   Phone: 703-740-7986
Email: jjacobs@jacobslf.com
Keller and Heckman, LLP

David Fischer

Washington, DC Phone: 202-434-4224
Email: Fischer@KHLaw.com
Knoell USA, LLC Sally Feeley,
Driss Benmhend
North America, South America, Europe, Asia

Phone: 610-558-3001 ext 112
Email: info@knoellusa.com
Web: https://www.knoell.com/en

KRK Consulting LLC Brian Hogan Wadsworth, OH Phone: 330-331-9889
Email: brianhogan330@gmail.com
Web: https://www.eparegistration.com/ 
Landis International Lisa Ayn Setliff
Timothy Joseph
David Oliver
Julie Horton
Roger Horton
Dennis Hattermann
Ron Landis
Valdosta, GA Phone: 229-247-6472
Email: admin@landisintl.com
Web: https://landisintl.com/
Laird's Regulatory Consultants Olivia Laird Leesburg, VA Phone: 703-669-0509
Email: laird1olivia@aol.com
Lewis & Harrison David Lewis
Eliot Harrison 
Washington, DC Phone: 202-393-3903
Lighthouse Advisors PLLC Audrey Patterson Grand Rapids, MI Phone: 916-765-4706
Email: audrey@lighthouseadvisorspllc.net
LinReg Consulting Bruce Riggle, Ph.D. Greeley, CO Phone: 970-353-1303
Email: riggle_bioxide@qwestoffice.net
LRC Consulting Lydia Cox, Ph.D., DABT Hockessin, DE Phone: 302-357-7472
Email: lydiacox@me.com
m4 Global Consulting LLC Michael S. Wenk Douglasville, GA Phone: 678-836-6419
Fax: 770-947 0520
Email: michael@m4globalconsultingllc.com
McDermott Will & Emery LLP Edward M. Ruckert
Chris Lahiff
Jerry Hill
Washington, DC Phone: 202-756-8000
McKee, Voorhees & Sease PLC Cassie J. Edgar Des Moines, IA

Phone: 515-288-3667
Email:  cassie.edgar@ipmvs.com
Web: https://www.ipmvs.com/practices/regulatory-law/ 

Mandava Associates Bhushan Mandava, Ph.D.
Madhu Mandava
Washington, DC
Plano, TX
Phone: 202-223-1424/1747;
Fax: (202) 223-0141
Email: Bhushan@Mandava.com

Phone: 972-265-7924
Fax: (972) 265-7942
Email: Madhu@Mandava.com
Morgan, Lewis & Bockius LLP Jamie Huffman
Stephanie Feingold
John McGahren
Princeton, NJ

Phone: 609-919-6600
Emails: Jamie.huffman@morganlewis.com; 
Stephanie.feingold@morganlewis.com; 
John.mcgahren@morganlewis.com

Morningstar Consulting Inc. James F. Hobson, Ph. D. DABT Germantown, MD Phone: 301-916-4068
New Design lab.Co Fulya Turkmenoglu Miami, FL Phone: 718-708-3694
Email: fulya@newdesignlab.co;
NL Consultation Services Gary Libman Placitas, NM Phone: 505-867-8154
North Star Regulatory USA Julie Kozlowski Wilmington, DE Phone: 302-562-1442
Email: StateReg@NorthStarRegUSA.com
OMC Ag Consultants Olav Messerschmidt East Lansing, MI Phone: 517-881-0106
Pacific Northwest Pesticide Consulting Wendy A. McCombie Blaine, WA Phone: 703-924-0330 
Paul A. Keane & Associates Paul A. Keane Tucon, AZ Phone: 520-615-6043
PD & R Associates John F. Wright Mount Laure,l NJ Phone: 856-424-1528
Pither Consulting LLC Karen Pither Kansas City, MO. Phone: 816-455-3429
Plant Synergists, Inc G. Calvin Hartzog Houston, TX Phone: 713-906-5290
Practus, LLC Elliot Belilos Washington, DC Email: Elliot.Belilos@practus.com
Prosperity Project Management LLC Jousett Service Washington, DC

Phone: 202-387-0659
Email: info@prosperityprojectmanagementllc.com

Putsavage PLLC Telisport Putsavage Albany NY Phone: 202-466-3700
Web: https://environmentallaw.us/
Pyxis Regulatory Consulting, Inc. Nicole O’Loughlin Tacoma, WA

Phone: 253-853-7369
Email: nicole@pyxisrc.com

Quality Assurance Services Merritt A. Grissinger Bedford, VA Phone: 540-354-5008
Ramboll Lisa Amadio
Chris Greene
Juli Mann
Micah Reynolds
Erin Tesch

 
Arlington, VA Phone: 703-516-2308; Email: lamadio@ramboll.com
Phone: 703-516-2310; Email: cgreene@ramboll.com
Phone: (703) 516-2314; Email: jmann@ramboll.com
Phone: (703) 516-2349; Email: mreynolds@ramboll.com
Phone: (202) 203-0082; Email: etesch@ramboll.com;
 
REACH24H USA Inc. Robert Kiefer
Anthea Zhou
 
Reston, VA Phone: 703-596-8055
Emails: robert.kiefer@reach24h.com;
enquiry@reach24h.com 
Reg West Kim Davis Greeley, CO Phone: 970-353-0611
Registrations by Design Inc. Sarah Kuetemeier Salem, VA Phone: 540-375-8826
Email: sarahk@lumos.net
Registration Regulatory Services  Richard Otten Raleigh, NC Phone: 919-846-7860
Regulatory Compliance Solutions LLC Timothy A. Dotson Sugar Hill, GA Phone: 404-698-7199
Email: tim.dotson@regcompliancesolutions.com
Research International V Goncarovs Arlington, VA Phone: 703-920-6773
Rivendell Consulting USA, LLC Gary Orr, Ph.D. Valdosta, GA Phone: 229-247-4340
R. R. Gaughan Consulting Renata R. Gaughan, Ph.D. Lansdale, PA Phone: 215-393-4908
Rose Intelligence, LLC Dominic Baah, CEO Richmond, VA Phone: 571-442-2467
Email: dominic.baah02@gmail.com
Rx SAN, LLC David Dennis Highland Village, TX Phone: 614-252-5000
Email: David@RxSAN.com
Web: https://www.rxsan.com 
SafeBridge Regulatory & Life Sciences Group Keith Hostetler, PhD Charlottesville, VA Phone: 434-977-5957
Email: info@safebridge.com
Sales and Sourcing Group (SSG) Suzanne Crosswhite Atlanta, GA

Phone: 404-579-8630
Email: suzanne@salesandsourcinggroup.com
Web: www.salesandsourcinggroup.com
 

Scientific & Regulatory Consultants Inc. David Swain
Rhonda Jones
Tony Herber
Rebecca Mannion
Jamie Venable
Bob MacDonald
Columbia City, IN Phone: 260-244-6270
Email: info@srcconsultants.com
Scientific Research Associates  Bruce Bernard Washington, DC Phone: 202-728-1400
SciReg Inc. Anna Armstrong
Cinda Bell
James Damico
Danielle Downs
Lauren Fierman
Nancy Huddy
Fred Smith
Terri Spanogle
Carrie Tackema
Katie Woodall

Woodbridge, VA

Phone: 703-494-6500
Web: SciReg.com 
SEALEXCO LLC John Kwon Las Vegas, NV Phone: 800-717-6869
Email: john@sealexco.com
SGEC, LLC Sherri Gray Manassas, VA Phone: 703-496-9378
Email: sherrigrayconsulting@gmail.com
Web: http://epaconsultant.net
Shaw Pittman David E. Menotti
Warren U. Lehrenbaum

Washington, DC

Phone: 202-663-8675
Phone: 202-663-8754
SHB Scientific Enterprises Sarah E. Hinz-Bridger Chandler, AZ Phone: 480-699-6094
Sidley Austin LLP Andrew Stewart
Josh Hofheimer
Washington, DC 
Los Angeles, CA  
Phone: 202-736-8854; Email: astewart@sidley.com
Phone: 213-896-6061
Spring Regulatory Sciences Jeremy Malone, James Yowell, Stephanie Evans, Rei Masaki and Jamie Guillory 
 
Spring, TX

Phone: 877-227-2597
Email: info@SpringRegulatory.com
Web: https://springregulatorysciences.com/

SR Consulting Steve Rogosheske Eagan, MN Phone: 651-330-1217
SRS International Corporation John A. Todhunter, Ph.D. Falls Church, VA Phone: 703-821-0157
Fax: 703-821-2299
Steptoe LLP

Michael Boucher
Nina MacLeay

Washington, D.C.
Los Angeles, CA

Phone: 202-429-8020; Email: mboucher@steptoe.com 
Phone: 213-439-9588; Email: nmacleay@steptoe.com

Stewart Pesticide Registration Associates Ellsworth R Stewart Macon, MO Phone: 660-762-4240
SynTech Global LLC Phillip Cassidy Hockessin, DE Phone: 440-479-5123
Email: Phillip.cassidy@syntechresearch.com
Technology Sciences Group Inc. (TSG Consulting)

Wendy McCombie 
Perri Moeller
Pete Stevenson
Manuela Petrisor
Kelly Rahn
Abigail Wacek
Jonathan Walsh

Washington, DC Phone: 202-828-8990; 530-757-1245
Email: tsga.sales@tsgconsulting.com
Texas Analytical Laboratories Devendra Nath Ph.D. Houston, TX Phone: 800-796-9335
Texoma Regulatory Robert Paul Hawkins Pottsboro, TX Phone: 903-814-2068
Email: texomaregulatory@outlook.com
The Session Law Firm PC Warner H. Session Esq. Washington, DC Phone: 202-862-4313
The Solutous Group Lawrence N. Curcio, Ph.D. Research Triangle Park, NC Phone: 919-942-0408
Thinc Solutions Inc. Peter G. Livingston Jefferson City, MO Phone: 573-821 6953
TOXCEL LLC Alan C Katz
J. Michael Kelley, Ph.D
Robert M. Sielaty, J.D.
Gainesville, VA Phone: 703-754-0248
TOXCEL International Ltd James B. Cockrill
J. Michael Kelley, Ph.D.
Ledbury, UK Phone: +44(0)-1531-638999; 703-754-0248
TradeHaus Consulting LLC John Burhans Norwalk, CT USA Phone: +1-203-418-7713
Email: Tradehausconsulting@gmail.com
USA Pesticide Registration Austin Grove Loganville, Georgia

Phone: 404-955-8897
Email: austin@usapesticideregistration.com
Web: https://www.usapesticideregistration.com

Walter Talerek Walt Talerek Great Falls, VA Phone: 540-935-2344
Email: wtalarek@comcast.net
Wagner Regulatory Associates, Inc Phillip Cassidy Hockessin, DE Phone: 440-479-5123
Email: Phillip.cassidy@syntechresearch.com
Wiley Keith A. Matthews Washington, DC 20036 Phone: 202-719-4462
Email: kmatthews@wiley.law
William Jordan Consulting William (Bill) Jordan Washington, DC Phone: 202-321-5855
Email: jordans4@verizon.net
WILSON ASSOCIATES INTERNATIONAL LLC Charles L. Wilson, Ph.D Sheperdstown, WV Phone: 304-279-4029
Fax: 304-876-0964
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 25, 2025
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.