Experts
Consultants | Developers | Manufacturers/Distributors
of Covers
Manufacturers/Distributors of Engines | Manufacturers/Distributors
of Tanks
Other: Commodity Organizations | Other:
General Energy Services
Consultants
Brubaker Consulting Group, Inc.
Michael Brubaker,
4340 Oregon Pike, Ephrata, PA 17522
Tel: 717/859-3276 Fax: 717/859-3416
Email: mikeb@brubakerag.com
Year Established: 1979
# Biogas Projects: 3
# Employees: 30
# Farm Projects: 3
Brubaker Agronomic Consulting consults U.S. farmers in many areas within agriculture,
and has three clients with biogas systems: two dairy farms and a swine farm.
Commercial Engineering Corporation - Anergen Division
Ashok Bendre
430 Lake Cook Road, Suite B
Deerfield IL 60015
Tel: 847/236-0900 Fax: 847/236-1790
Email:arbend@aol.com
Web: http://www.anergen.com/ 
Year Established: 1986
# Biogas Projects: 3
# Employees: 20
# Farm Projects: 0
The Anergen Division of Commercial Engineering performs feasibility assessments
for farmers interested in installing biogas systems. Anergen submitted several
proposals to design and develop biogas systems for farms.
Duke Engineering and Services
David Johnson
400 S. Tryon Street
P.O. Box 1004
Charlotte, NC 28201
Tel: 704/373-3384 Fax: 704/382-7669
Email: rfgreen@dukeengineering.com
Year Established: 1989
# Biogas Projects: 3
# Employees: 300
# Farm Projects: 1
Duke Engineering is testing a method to digest manure, and
assisted with developing a digester for a poultry farm.
E3 Ventures
Gary Suskauer
1140 Kildaire Farm Road, Suite 304
Cary, NC 27511
Tel: 919/469-3737 Fax: 919/469-3656
Email: gsuskauer@e3ventures.com
Web: http://www.e3ventures.com 
Year Established: 1995
# Biogas Projects: 0
# Employees: 5
# Farm Projects: 0
E3 Ventures recently entered the renewable energy sector.
GeoPacific Lining
William Wolfe
1300 Dexter Ave., N. #205
Seattle, WA 98109
Tel: 206/284-2378 Fax:206/283-7068
Email: geopacific@cresmont.com
Year Established: 1994
# Biogas Projects: 2
# Employees: 13
# Farm Projects: 0
GeoPacific Lining performs feasibility assessments and consults farms on implementing
digester systems, and is in the design phase of developing digesters for three
farms in the U.S.
GHD, Inc
Steve Dovorak
P.0 Box 69
Chilton, WI 53014
Tel: 920/849-9797 Fax: 920/849-9160
Email: ddgh@tds.net
Year Established: 1991
# Biogas Projects: 2
# Employees: 15
# Farm Projects: 1
GHD is currently working on its first biogas project for a farm.
IGT
J. Robert Paterek, Ph.D
1700 S. Mount Prospect Road
Des Plaines, IL 60016
Email: paterek@igt.org
Web: http://www.igt.org 
Energy and environmental research, development and education.
IGT
Laurence M. Feder
1700 S. Mount Prospect Road
Des Plaines, IL 60016
Email: lanny_feder@igt.org
Web: http://www.igt.org 
Energy and environmental research, development and education.
National Methane
William J. Lingo, Sr.
905 Glendean Ave, Suite 8
Riverside, OH 45431
Tel: 937/256-7500 Fax: 937/256-7500
Email: bilingo@dma.com
Year Established: 1983
# Biogas Projects: 0
# Employees: 4
# Farm Projects: 0
National Methane provides complete farm evaluations and recommendations
for incorporating biogas technology into a farm plan. National
Methane has provided evaluations for 21 chicken farms (layers),
4 swine farms, and 2 dairy farms. National Methane writes grants
for farmers to lower costs and increase the rate of return,
and is in the process of writing grants for 4 farms to implement
National Methane's patented design.
Nelson and Associates
D.O "Swede" Nelson
76 Almendral Ave
Atherton, CA 94027
Email: swedenelson@msn.com
Year Established: 1983
# Biogas Projects: 0
# Employees: 12
# Farm Projects: 0
Nelson and Associates is a domestic and international consulting
group specializing in the planning, technical study, implementation
and financing of petroleum and environmental projects. The
company recently affiliated with firms with extensive experiene
in biogas projects, mainly in NC and KS.
Omega-Alpha Recycling Systems
Robert Hamburg
Route 1, Box 51
Orma, WV 25268
Tel: 304/655-8662
Email: anomalous@wvadventures.net
Year Established: 1978
# Biogas Projects: 7
# Employees: 4
# Farm Projects: 4
Omega-Alpha Recycling Systems works on projects related to
organic recycling and biogas systems intergrated with organic
farming and pemaculture facilities. Omega-Alpha Recycling has
designed 4 small-scale, ambient temperature digesters: 1) Arcadia
Farm, a goat, a chicken, and horse farm in Orma, WV with a
Chinese style extended batch digester; 2) Urbanic Farm, a horse,
cow and chicken farm in Chloe, WV with a Chinese style extended
batch digester; 3) Agriculture Research Farm, a swine farm
in Orma, WV with a Chinese style extended batch digester; and
4) the Mandalu School, a school with cattle in Chorrak, Nepal,
and Indian design Gobar Gas demonstration project.
R.M. Service & Associates
Robert M. Service
110 East Bremer Avenue, Suite A
Waverly, IA, 50677
Tel: 319/352-0132 Fax: 319/352-5765
Email: rnsa@mchsi.com
Web: www.bartlettuniversity.com/energy.php 
Year Established: 1973
# Biogas Projects: 1
# Employees: 15
# Farm Projects: 0
Energy consulting and product development focused on electric power plant development (portable & stationary 70-700 Kw) and on hot water heating system development, all using low cost and agricultural waste fuels. Fuel conversions, audits, fuel surveys, arbitration/mediation technical support, and community development planning.
Richard Chambers
Richard Chambers
1102 Don Cubero Ave.
Santa Fe, NM 87501
Email: rhcha@aol.com
Year Established: 1961
# Biogas Projects: 0
# Employees: 1
# Farm Projects: 0
Construction project administrator and engineer.
Richmond Energy Associates
Jeff Forward
PO Box 615
Richmond, VA 05477
Email: forward@together.net
Year Established: 1998
# Biogas Projects: 15
# Employees: 1
# Farm Projects: 15
Richmond Energy Associates is a renewable energy company specializing
in anaerobic digestion feasibility analysis.
The Dubura Company Inc.
Stephen Hoyt
1177 Route 9
Suite 610
Castleton, NY 12033
Tel: 518/732-7618 Fax: 518/732-7618
Email: steveh@albany.net
Year Established: 1999
# Biogas Projects: 2
# Employees: 1
# Farm Projects: 0
The Dubura Company is currently operating 3 pilot reactors
for the Vermont Department of Public Service testing the rate
of digesting whole dairy manure. The Dubura Company is hoping
to increase the rate of digestion and reduce the size of digesters,
and also to adress ways to remove sediment and prevent accumulation.
VerdiTech
Ken Abercrombie
12749 East Heather Drive
Clovis, CA 93611
Tel: 559/297-7370 Fax: 559/297-7370
Email: verditch@aol.com
Year Established: 2001
# Biogas Projects: 0
# Employees: 2
# Farm Projects: 0
VerdiTech consults, designs, and manages systems to convert
livestock manure into energy. Also provides services to develop
quality monitoring for effective field application and crop
production.
Please Note: Listing in this directory does not imply endorsement
by EPA.
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