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The following septic industry suppliers are "affiliate" members of GSDI.  We encourage you to consider them first when looking to purchase materials, equipment or are seeking other project or business related solution

AAA Pump Service, Inc.
93 Depot Road
Manchester, NH 03103
Contact: Paul Croteau
Phone: (603) 646-8610
Email: PAAAPUMP@AOL.COM

Andrew J. Foss Company, Inc.
100 Cocheco Road
Farmington, NH 03835
Contact: Jonathan Cardinal
Phone: (603) 755-2515
 
Blake Equipment Co., Inc.
P.O. Box 9
166 Wolfeboro Highway
Alton, NH 03809
Contact: Floyd Loyer
Phone: 603-875-7901
 
Borda Na Mona Environmental Products US, Inc.
P.O. Box 77457
Greensboro, NC 27417
Contact: John Payne
Phone: (336) 547-9338
Email: slaterra@bnm-us.com
 
Cadnet Services, LLP
25 Sundial Avenue, Suite 205A
Manchester, NH 03103
Contact: Rick Ladd
Phone: (603) 296-2376
 
Central NH Concrete Corp.
Route 114, P.O. Box 840
Henniker, NH 03242-0840
Contact: Ron Goss
Phone: (603)428-7900
 
Clear Water Industries
P.O. Box 825
Ipswich, MA 01938
Contact: David Clark
Phone: (978) 356-0779
 
Clivus New England, Inc.
P.O. Box 127
North Andover, MA 01845
Contact: Joseph A. Ducharme
Phone: 978-794-9400

Cooper New England Sales
38 Styles Drive
Concord, NH 03301
Contact: David Kinnier
Phone: 603-491-8161
 
Cultec, Inc.
P.O. Box 280
Brookfield, CT 06804
Contact: Ed Gaffny
Phone: (203) 775-4416
Email: egaffny@cultec.com
 
Dan Davis Sales, Inc.
P.O. Box 567
Springvale, ME 04083
Contact: Evan Levesque
Phone: (207) 324-5511
 
Del R. Gilbert & Son Block Co., Inc.
427 Province Road
Laconia, NH 03246
Contact: Brian Gilbert
Phone: (800)464-1353
 
Eastpoint Lasers, LLC
5 East Point Drive, Unit 1
Hooksett, NH 03106
Contact: Mike Vaughn
Phone: (603) 623-0188
 
Eliminator Systems, Inc.
P.O. Box 860
Durham, NH 03824
Contact: Charlie Goodstein
Phone: (603)868-2243
 
Eljen Corporation
10 North Main Street, Suite 216
West Hartford, CT 06107
Contact: Andrew England
Phone: (800) 444-1359
 
Infiltrator Systems, Inc.
P.O. Box 768
Old Saybrook, CT 06475
Contact: Blake Johnston
Phone: (860) 577-7000
 
Jamco Excavators, LLC
84 Exeter Road
South Hampton, NH 03827
Contact: Todd M. LaBonte
Phone: (603) 394-7664
 
J. Clifton Avery Insurance
7 Islington Street, Unit 102
Portsmouth, NH 03801
Contact: David Hampson
Phone: 603-766-3733

J.E. Belanger Land Surveying, PLLC
61 Old Hopkinton Road
Dunbarton, NH 03046
Contact: Jacques E. Belanger
Phone: 603-774-3601
jebsurvey@gsinet.net

 
F.R. Mahony & Associates, Inc.
273 Weymouth Street
Rockland, MA 02370
Contact: Henry Albro
Phone: (781)982-9300
 

J & R Engineered Products, Inc.

P.O. Box 338
Yarmouth, ME 04096
Contact: Ray Sawyer
Phone: 207-846-5755
 
Jamco Excavators, LLC
84 Exeter Road
South Hampton, NH 03827
Contact: Todd M. LaBonte
Phone: (603) 394-7664
 
J. Clifton Avery Insurance Agency
7 Islington Street, Unit 102
Portsmouth, NH 03801
Contact: David Hampson
Phone: (603) 766-3733
 
L.E. Weed & Son, LLC
187 South Main Street
Newport, NH 03773
Contact: Wayne Weed
Phone: (603)863-1540
 
New England Laser & Transit Co.
P.O. Box 757
Newport, NH 03773
Contact: Alan LaRose
Phone: (603) 863-0833
 
New England Positioning Systems, LLC
58 Chenell Drive, Route 106
Concord, NH 03301
Contact: Kenneth Scribner
Phone: (603) 224-6596
 
Northeast Concrete Products Association
P.O. Box 6
East Taunton, MA 02718
Contact: Gregory Stratis
Phone: 413-533-4691
 
Oakson, Inc.
6 Sargent Street
Gloucester, MA 01930
Contact: Daniel Ottenheimer
Phone: (978) 282-1322
Email: mpeters@oaksoninc.com
 
Omnispect
45 Lafayette Road #383
North Hampton, NH 03862
Contact: Robert MacDonald
Phone: 888-490-6664
 
Pagoda Vent Company
P.O. Box 123
Kittery Point, ME 03905
Phone: (888) 864-1468
 
Pendleton Associates, Inc.
P.O. Box 657
Manchester, CT 06045-0657
Contact: Ronald Cotran
Phone: (860) 646-4411
  
Public Health Solutions, PLLC
96 Maine Street, Suite 247
Brunswick, ME 04011
Contact: Russell G. Martin
Phone: (207) 449-0339
 
Pump Systems, Inc.
P.O. Box 6101
West Franklin, NH 03235-6101
Contact: John E. Benham
Phone: (603)934-7100
 
R.E. Prescott Co., Inc.
10 Railroad Avenue
Exeter, NH 03833
Contact: Everett Landry
Phone: (603)772-4321

SeptiTech, LLC
69 Holland Street
Lewiston, ME 04240
Contact: Tom Cianchette
Phone: (207) 333-6940
Email: scottsamuelson@septitech.com

SHEA Concrete Products, Inc.
P.O. Box 807
87 Haverhill Road
Amesbury, MA 01913
Contact: Bill F. Grimes
Phone: (978) 388-1509
 
Trident Insurance Services of New England, Inc.
280 Summer Street
Boston, MA 02210
Contact: Jim Tyrrell
Phone: (617) 478-5217
 
Tuf-Tite, Inc.
1200 Flex Court
Lake Zurich, IL 60047
Contact: Harry Plander
Phone: (847) 550-1011
Email: harry@tuf-tite.com
 
Wastewater Alternatives, Inc.
37 Champney Road
Groton, MA 01450
Contact: Harold E. Davis
Phone: (603)532-5901
 
Water Industries, Inc.
P.O. Box 218
Alton, NH 03809
Contact: Michael W. Carleton
Phone: (603) 875-7000
 
William N. Lamarre Concrete Products, Inc.
87 Adams Hill Road, P.O. Box #333
Greenville, NH 03048
Contact: Marie J. Joerger
Phone: (603) 878-3349