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Pesticide Registration

List of Pesticide Regulatory Consultants

For additional assistance with consultants beyond the list below, contact:
  • Antimicrobial pesticides, contact Consumer Specialty Products Association. 
  • Biopesticides, see Biological Products Industry Alliance (BPIA) Member Regulatory Consultants. 

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.

Company Name Individual Contact Location Telephone Number
Aal Regulatory Consulting Terri Siemer-Aal Reedley, CA (559) 859-1281
(559) 637-4576
Acadia Regulatory Consulting, LC John Fournier Ithaca, NY (607) 220-4860

James V. Aidala
Lynn L. Bergeson
Sheryl L. Dolan
Dana S. Lateulere

Washington, DC (202) 266-5024 Exit
Adams Technology Systems Rob R. Adams Jr. Alpharetta, GA (770) 751-1073
Agricultural Services Inc. Steve Lovell Valdosta, GA (912) 244-4516
Agricultural Biotechnology Regulatory Affairs Scott Thenell Walnut Creek, CA (925) 933-1075
Agriculture & Biotechnology Strategies Inc. Morven A. McLean PhD Merrickville ONT, Canada (613) 269-7966
Agricultural Research Initiatives, Inc Dr. Kelly Cartwright Fayetteville, AR (479) 841-3699
FAX (479)575-7446
Ag-Chem Consulting LLC Dr. Matthew Brooks Clifton, VA (703) 266-0128
Alice Walker Consulting Alice Walker, Ph.D. Senatobia, MS (662) 562-5995
Arent Fox PLLC Stanley H. Abramson
Donald C. McLean
Karen E. Carr
Robert G. Edwards, Ph.D.
Washington, DC (202) 857-6000
Arnold & Porter Lawrence Culleen Washington, DC (202) 942-5477

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Bergeson & Campbell, P.C. Lynn L. Bergeson
James V. Aidala
Washington, DC (202) 557-3800
Beveridge & Diamond Cindy Lewis Washington, DC (202) 789-6018
BioNet International corp. Frederick D. Obenchain Manassas, VA (703) 361-9508
Blankinship & Associates Mike Blankinship Davis, CA (530) 757-0941 Exit
Bondurants Consulting LLC M. Sam Bondurant Germantown, TN 38138 (901) 751.0989
Cell (901) 496-4755
Brassard Pesticide Regulatory Solutions Candy and David Brassard Washington, DC (703) 725-6413 or  (703) 568-4895 Exit
Brazos Associates, Inc Michael A. Jackson
Mary Beth Endres
Marla K. Jackson
Carrollton, TX (972) 939-8390

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Carroll-Loye Biological Research Dr. Scott Carroll, Director Davis, CA (530) 902-8267 or (530) 297-6080
Ceres International LLC Bert Volger West Chester, PA (610) 793-3222
Chemical Consultants Int. Gene Billet Overland Park, KS (913) 381-7611
C. M. Schofield Consulting Mike Schofield Columbia, MO

(573) 446-6451

Compliance Services International Carl Thompson Bolivar, MO (417) 777-8254
Conn & Smith Richard Conn
Cynthia A. Smith
Lorton, VA (703) 339-4199
(703) 339-1117
Cozen O'Connor Marcia Mulkey Philadelphia, PA 215-665-2122

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Delta Analytical Corp. Jeff Jones
Cristina Griffin
Donna Leventhal
Silver Spring, MD (301) 680-7971
Web https://delta-ac.comExit
Dentons Michael Boucher
John Conner, Jr.
Peter Gray
Stan Landfair
Washington, DC
San Francisco, CA
(202) 496-7500
(415) 267-4000
D.H.Dawe & Associates David H. Dawe, Ph.D. Dumfries, VA (559) 960-2245
(703) 590-7570
D. O'Shaughnessy Consulting Inc. Don O'Shaughnessy, Ph.D, DABT Cub Run, KY (270) 524-5633
Fax (270) 524-5634
Ecomark  Russell Waterman Orlando, FL (407) 876-3705
Edward Lyle Edward Lyle Washington, DC (202) 783-8716
Environmental Compliance Specialists, inc Tony Martinez
REM Michelle Martinez
Colorado Springs, CO (719) 237-6116
EnviroReg LLC Telisport Putsavage
Janine Gydus
Albany, NY (202) 466-3700
(814) 706-7007
Exponent (formerly Novigen Sciences Inc.) Jim Messina
Rick Tinsworth
Beth Polakoff
Carrie Daniels
Washington, DC (202) 772-4932
(202) 772-4900
(202) 772-4905
(202) 772-4916

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Forster & Associates Consulting, LLC Vickie A. Forster Wilmington, DE (302) 383-3313
Garvey, Schubert & Barer Matthew R. Schneider Washington, DC (202) 965-7880
Harvard School of Public Health  (efficacy data) Richard Pollack Ph.D. Boston, MA (617) 432-1587 
Insect Control & Research Robin Todd Baltimore, MD (410) 747-3078, 4500
Integral Consulting Inc Martha Curran
Judi Durda
Damian Preziosi
Arlington, MA
Annapolis, MD
Berlin, MD
(781) 648-0902
(410) 573-1982
(410) 629-1301
Intertek Scientific & Regulatory Consultancy (Canada) Jessica Walsh Mississauga, ON Canada (905) 542-2900
John Kennedy Consultants Inc. John Kennedy Stevensville, MD  (443) 249-0100
JM Specialty Consulting Julie Spagnoli Laurel, MS;
Washington DC
(601) 577-5237

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Keller and Heckman, LLP John Dubeck
Herbert Estreicher
Michael T. Novak
David Sarvadi
Washington, DC (202) 434-4100
knoell USA, LLC Bonnie MacCulloch USA, Europe, Asia (610) 558-3001 ext. 129
KRK Consulting LLC Kevin Kutcel Medina, OH

(440) 263-7305 Exit

Landis International Ron Landis, Peggy Galloway,
Crystal Layton, Dick Collier,
Lisa Ayn Setliff, Suzanne Holt,
Alex Porges, Rob Hummel,
Julie Horton, Layla Sconyers,
Dennis Hattermann, Tim McPherson
and Terry Porter.
Valdosta, GA (229) 247-6472
Laird Regulatory Consultants Olivia Laird Leesburg, VA (703) 669-0509
Lewis & Harrison David Lewis
Eliot Harrison 
Washington, DC (202) 393-3903
LinReg Consulting Bruce Riggle, Ph.D. Greeley, CO (970) 353-1303
m4 Consulting LLC Michael S. Wenk Hiram, GA (678) 836 6419 (voice)
(770) 947 0520 (fax)
McDermott Will & Emery LLP Edward M. Ruckert
Chris Lahiff
Jerry Hill
Washington, DC (202) 202-756-8000
Mandava Associates Bhushan Mandava, Ph.D.
Madhu Mandava
Washington, DC

Plano, TX
(202) 223-1424/1747
Fax: (202) 223-0141
(972) 265-7924
Fax: (972) 265-7942
Jerry A. Moore PhD, J.D. Inc. Jerry A Moore PhD, J.D. Fairfax, VA (703) 802-8616
Morningstar Consulting Inc. James F. Hobson, Ph. D. DABT Germantown, MD (301) 916-4068
NL Consultation Services Gary Libman Placitas, NM (505) 867-8154

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OMC Ag Consultants Olav Messerschmidt East Lansing, MI (517) 881-0106
Paul A. Keane & Associates Paul A. Keane Tucon, AZ (520) 615-6043
PD & R Associates John F. Wright Mount Laure,l NJ (856) 424-1528
Pither Consulting LLC Karen Pither Kansas City, MO. (816) 455-3429
Plant Synergists, Inc G. Calvin Hartzog Houston, TX (713) 906-5290
Putsavage PLLC Telisport Putsavage Albany NY (202 )466-3700
Pyxis Regulatory Consulting Janelle Whitehouse Gig Harbor, WA (253) 853-7369

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Quality Assurance Services Merritt A. Grissinger Bedford, VA (540) 354-5008
REACH24H USA Inc. Robert Kiefer
Anthea Zhou
Reston, VA (703) 596-8055
Redfearn Registrations Inc. Nancy L. Redfearn, Ph.D. Wilmington, DE (302) 475-6526
Reg West Kim Davis Greeley, CO (970) 353-0611
Registrations by Design Inc. Becky Horton Salem, VA (540) 375-8826
Registration Regulatory Services  Richard Otten Raleigh, NC (919) 846-7860
Regulatory Compliance Solutions LLC Timothy A. Dotson Sugar Hill, GA (404) 698-7199
Research International V Goncarovs Arlington, VA (703) 920-6773
Rivendell Consulting USA, LLC Gary Orr, Ph.D. Valdosta, GA (229) 247-4340
R. R. Gaughan Consulting Renata R. Gaughan, Ph.D. Lansdale, PA (215) 393-4908

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Scientific & Regulatory Consultants Inc. David Swain
Rhonda Jones
Columbia City, IN (260) 244-6270
Scientific Research Associates  Bruce Bernard Washington, DC (202) 728-1400
SciReg Inc. Cinda Bell
James Damico
Tyler Murray
Fred Smith
Terri Spanogle
Teri Wallace

Woodbridge, VA

(703) 494-6500 Exit
Shaw Pittman David E. Menotti
Warren U. Lehrenbaum

Washington, DC

(202) 663-8675
(202) 663-8754
SHB Scientific Enterprises Sarah E. Hinz-Bridger Chandler, AZ (480) 699-6094
Sidley Austin LLP Roger Martella
Keith Matthews
Josh Hofheimer
Washington, DC Washington, DC
Los Angeles, CA  
(202) 736-8097
(202) 736-8299 
(213) 896-6061
Spring Regulatory Sciences Jeremy Malone, James Yowell, Stephanie Evans, Rei Masaki and Jamie Guillory 
Spring, TX Office Phone: (877) 227-2597 (US)
SR Consulting Steve Rogosheske Eagan, MN (651) 330-1217
SRS International Corporation John A. Todhunter, Ph.D. Falls Church, VA (703) 821-0157
Fax: (703) 821-2299
Steptoe & Johnson Seth Goldberg
Juli Mann
Cathy Rice
Cynthia Taub
Sara Beth Watson
Washington, D.C. (202) 429-6213
(202) 429-3095;
(202) 862-3803;
(202) 429-8133
(202) 429-6460
Stewart Pesticide Registration Associates Ellsworth R Stewart Macon, MO (660) 762-4240
SynTech Global LLC Jim Wagner Hockessin, DE (302) 234-8550

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Technology Sciences Group Inc. Janice Asato
Leslie Garcia
Jacob Moore
Megan Priest
Micah Reynolds
Amy Roberts
Bob Stewart
Erin Tesch
Robin Todd
Abigail Wacek
Washington, DC
Sacramento, CA
(202) 223-4392
(530) 757-1245
Texas Analytical Laboratories Devendra Nath Ph.D. Houston, TX (800) 796-9335
The Session Law Firm PC Warner H. Session Esq. Washington, DC (202) 862-4313
The Solutous Group Lawrence N. Curcio, Ph.D. Research Triangle Park, NC (919) 942-0408
Thinc Solutions Inc. Peter G. Livingston Jefferson City, MO (573) 821 6953
J. Michael Kelley, Ph.D
Robert M. Sielaty, J.D.
Gainesville, VA (703) 754-0248
TOXCEL International Ltd James B. Cockrill
J. Michael Kelley, Ph.D.
Ledbury, UK +44 (0) 1531 638999;
(703) 754-0248
Walter Talerek Walt Talerek Great Falls, VA (540) 935-2344
Wagner Regulatory Associates, Inc Jim Wagner Hockessin, DE (302) 635-7289
William Jordan Consulting William (Bill) Jordan Washington, DC (202) 321-5855
WILSON ASSOCIATES INTERNATIONAL LLC Charles L. Wilson, Ph.D Sheperdstown, WV (304) 279-4029
Fax (304)-876-0964

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