Jeannette Municipal Authority
Douglas Pike
Po Box 294
Penn, PA  15675
(724)527-4022

Kirby Health Center
Danielle Cappellini
71 N. Franklin St.
Wilkes-Barre, PA  18701
(570)823-5450

L.A.B.S., Inc.
Fred Richstien
PO Box 836 409 North Ave.
East Berlin, PA  17316
(717)259-6550

Lancaster Area Sewer Authority
Sarah House
130 Centerville Road
Lancaster, PA  17603
(717) 684-0403

Lancaster Laboratories Inc.
Amy Doupé
2425 New Holland Pike
Lancaster, PA  17601
(717)656-2300

Lansdale WWTP
Sunni Barndt
2197 Deep Creek Road
Perkiomenville, PA  18074
(215)361-8362

Lebanon WWTP
Denise Snyder
2321 Ridgeview Road
Lebanon, PA  17042
(717)272-2841

Lehigh County Authority
Donna Wingle
1053 Spruce St PO Box  3348
Allentown, PA  18106
(610)398-2503

M J Reider Associates Inc.
Twila Dixon
107 Angelica Street
Reading, PA  19611
(610)374-5129

Mahaffey Laboratory Ltd.
David Barrett
551 State Street
Curwensville, PA  16838
(814)236-3540

McCandeless Twp Sanitary Auth
John Snodgrass
2160 Wildwood Road
Gibsonia, PA  15044
(724)935-8050

Merck Environmental Lab
Teresa-Ann McIntyre
770 Sunnytown Pike WP 20-211
West Point, PA  19486
(215)652-7534

Microbac Laboratories
Joanne Simanic
2000 Coporate Drive, Suite 350
Wexford, PA  15090
(724)934-5047

Montgomery Co. Health Dept.
Rachel DeMarzio
PO Box 311
Norristown, PA  19404
(610)278-5117 x127

Mountain Research
Diane Kisner
825 25th Street
Altoona, PA  16601
(814)949-2034

New Freedom Borough
John Smith
49 East High St.
New Freedom, PA  17349
(717)235-2386

North Penn Water Authority
Heidi Palmer
144 B Park Avenue
Clalfont, PA  18914
(215)822-1759

North Huntingdon Twp. Mun. Auth
Gary Blasko
4222 Turner Valley Rd.
North Huntigdon, PA  15642
(412)751-4571

Northampton Borough Mun Auth.
Robert Montgomery
5200 2nd Street
Coplay, PA  18037
(610)262-6792

Northeastern Environmental
John Scheatzle
1620 North Main Ave.
Scranton, PA  18508
(570)348-0775

Northeast Ohio Regional Sewer
Mark Citriglia
4747 East 49th Street
Painesville, OH  44077
(216)641-6000