Well Testing - Production

Resource Development Company

280 Daines Street
Birmingham, MI 48009

Sand Monitoring Services Ltd

2500 CityWest Blvd.
Suite 300
Houston, TX 77042

Seven Lakes Technologies

2555 Townsgate Blvd, Suite 105
Westlake Village, CA 91361

Main: (805) 242-4288

Additional Addresses (1): Houston TX

Weir Environmental LLC

5732 Salmen St. Ste. B
New Orleans, LA 70123

Main: (504) 324-1234

Well Enhancement Services, LLC

1544 Sawdust Rd
SUITE 100
Spring, TX 77380

WellEz Information Management,

11931 Wickchester Ln.
Suite 102
Houston, TX 77043-4

Superior Production Logging Inc.

220 Industrial Av
Granbury, TX 76049

Toll Free: (800) 828-0562

Additional Addresses (2): Cody WY

4D Excavating, Inc.

16495 W I-20 Service Rd
Odessa, TX 79763

Acid & Cementing Services, Inc.

Palestine, TX 75802

Big Rock Energy Services, Inc.

602 N Baird, Ste 204
Midland, TX 79701

Bio Tech, Inc.

4900 Dougherty Pl, Bldg A
Oklahoma City, OK 73179

Toll Free: (800) 472-8585

Additional Addresses (2): Fort Worth TX, Pampa TX

Blake Well Logging, Inc.

PO Box 227
Palestine, TX 75802

Boland Well Service

3280 Hwy 351
Abilene, TX 79601

Phone: (325) 672-9546

CETCO Energy Services

309 W 2nd St
Broussard, LA 70518

Toll Free: (800) 432-0054

Additional Addresses (8): Covington LA, New Iberia LA, Beckville TX, etc.

Colter Energy Services USA Inc.

200 Phoenix Dr
Finnleyville, PA 15332

Phone: (724) 256-4086

Additional Addresses (2): Sterling CO, Minot ND

Corpus Christi Geological Library, Inc.

615 Leopard St, Ste 530
Corpus Christi, TX 78401

Cosmos Technologies, Inc

700 River Ave, Ste 412
Pittsburgh, PA 15212

Cudd Energy Services

7 Energy Way
Vilonia, AR 72173

Phone: (501) 796-2870

Additional Addresses (35): Denver CO, Fruita CO, Mount Pleasant MI, etc.

Culberson Construction, Inc.

PO Box 2194
Decatur, TX 76234

Additional Addresses (3): Floresville TX, Granbury TX, Three Rivers TX

Digitech

8 Oakwood Dr
Oklahoma City, OK 73121

Phone: (405) 427-2677

Discovery Production Services

Minot, ND 58702

Down Hole Services, Inc.

608 CR 428
Muenster, TX 76252

Phone: (940) 759-4932

Downing Well Service

207 SH 132 N
Devine, TX 78016

Phone: (830) 665-4923

DrillRight Technology Inc.

9630 Pole Rd
Oklahoma City, OK 73160

Toll Free: (877) 350-4497

F.T. Seismic Support, Inc.

70 E 1st St, Ste 101
Corning, NY 14830

Falcon Flowback Services

1637 SE 29th St
Oklahoma City, OK 73179

Phone: (405) 563-0163

Flare Well Testers, Inc.

16000 Barker's Point Ln, Ste 150
Houston, TX 77079

Phone: (888) 909-0801

Focus Energy Services

2934 Hawk Dr
Evans, CO 80620

Phone: (970) 616-9980

Four Six Services

PO Box 5529
Leander, TX 78645

Phone: (844) 879-4646

Freddy's Well Service, Inc.

Victoria, TX 77902

Geological Research Centers, LLC

1157 N 5th St
Abilene, TX 79601

Gisler Brothers Logging Co., Inc.

Runge, TX 78151

Grace Automation Services, Inc.

Big Prairie, OH 44611

Additional Addresses (1): Killbuck OH

H&H Well Services, LLC

PO Box 1408
Friendswood, TX 77549

Hart Services

7215 Highland Rd
Howell, MI 48843

Harvey's Servicing, Inc.

Andrews, TX 79714

Hughes, C. J., Construction Co., Inc.

PO Box 7305
Huntington, WV 25776

Kenergy Oilfield Solutions

PO Box 1459
San Marcos, TX 78667

Phone: (979) 204-8584

Key Energy Services - Edge Oilfield

10929 Hwy 371 S
Sibley, LA 71073

Phone: (318) 377-2929

Additional Addresses (1): Victoria TX

Lasser, Inc.

2312 E Loop 820, Ste A
Fort Worth, TX 76112

Toll Free: (800) 489-3282

Latjet Systems

3668 Lake Ln
Millstadt, IL 62260

LTW Services LP, LLC

PO Box 1397
Kilgore, TX 75663

Metering & Testing Services, Inc.

2807 W CR
Hobbs, NM 88240

Additional Addresses (3): Midland TX, Millsap TX, Odessa TX

MVCI Energy Services, Inc.

Farmington, NM 87499

Pace Oilfield Services

2119 N French Dr
Hobbs, NM 88240

Phone: (575) 392-5124

Performance Chemical Co.

Midland, TX 79711

Plains Plugging & Well Service

Borger, TX 79008

Poor Boy Hot Oil Service

PO Box 1234
Cuba, NM 87013

Phone: (575) 289-3107

PROS Inc.

3400 Patton Way
Bakersfield, CA 93308

Additional Addresses (1): Ballard UT

Pumpco Energy Services, LP

520 64th St SE
Minot, ND 58701

Additional Addresses (4): Towanda PA, Cleburne TX, Pleasanton TX, etc.

Python Pressure Pumping

120 Armory Rd
Ada, OK 74821

Phone: (855) 641-6300

Additional Addresses (2): Graham TX

Reagan Well Service, Inc.

9398 Tallmadge Rd
Diamond, OH 44412

Phone: (330) 654-4624

Recon Petrotechnologies, Ltd.

3820 NW 8th St
Oklahoma City, OK 73107

Phone: (405) 917-9183

Rig Works, Inc.

2310 Steven Rd
Odessa, TX 79764

Schlumberger Completions

1675 Broadway, Ste 900
Denver, CO 80202

Phone: (303) 352-1464

Additional Addresses (3): Minot ND, Casper WY, Mills WY

Streamline Well Testing and Rental, LLC

Village Mills, TX 77663

Syndicate Energy Services, LLC

204 N Main St, PMB 261
Watford City, ND 58854

Phone: (701) 842-6266

TETRA Technologies, Inc.

24955 Interstate 45 North
Woodland, TX 77380

Additional Addresses (16): Denver CO, Williston ND, Hinton OK, etc.

Texas Brine Co., LLC

4800 San Felipe St
Houston, TX 77056

Phone: (713) 986-2824

Thompson Agency

314 S Broadway, Ste 100
Ada, OK 74820

Thrasher Group, Inc., The

3000 Thayer Center
Oakland, MD 21550

Additional Addresses (6): Canton OH, Fredericksburg VA, Beckley WV, etc.

Triple J Well Service, Inc.

De Berry, TX 75639

U.S. Well Services, LLC

159 N Wardell St
Urichsville, OH 44683

Additional Addresses (2): Houston TX, Jane Lew WV

Versatile Energy Services, Ltd.

5000 7th Ave SW
Minot, ND 58701

Weatherford Tools Testing TCP

1101 3rd Ave
Grand Junction, CO 81501

Additional Addresses (2): Minot ND

Wells Fargo Bank-Energy Group

1700 Lincoln, 6th Floor
Denver, CO 80203

Wells Whisper, LLC

PO Box 1728
Dumas, TX 79029

Wharton, R. L., Enterprises, Ltd.

261 Shiloh Ln
Buckhannon, WV 26201

WLP Well Services, LP

3100 N A St
Midland, TX 79705

Phone: (432) 685-7099

AOT, Inc.

4522 Township Rd, 305
Millersburg, OH 44654

B&N Oilfield

4220 FM Rd 448
Giddings, TX 78942

Bird Equipment, LLC

Burns Flat, OK 73624

Cajun Energy Rental

4856 Ravere Ave
Baton Rouge, LA 70808

Cameron Drilling & Production Systems

1660 Lincoln St, Ste 1400
Denver, CO 80264

Additional Addresses (23): Wellington CO, Minot ND, Hobbs NM, etc.

Casper Well Products

Casper, WY 82602

Creative Machining Technologies, LLC

3560 5th Ave
East Moline, IL 61244

Crescent Supply Co.

Abilene, TX 79608

Dew Point Control, LLC

PO Box 18887
Sugar Land, TX 77496

Double Check Services, Inc.

Acme, MI 49610

Additional Addresses (3): Williamsburg MI, Dundee OH, Somerset PA

Elliott Equipment Co.

San Angelo, TX 76902

Empire Steel Manufacturing Co.

Billings, MT 59103

Frederick Logan Co., Inc.

140 Commonwealth Dr
Warrendale, PA 15086

Geophysical Research Co. (GRC)

Tulsa, OK 74158

Guy's Supply

2624 E Hwy 82
Gainesville, TX 76240

Phone: (940) 665-6191

Hardrock Directional Drilling, LLC

1920 Business I-35 E
Pearsall, TX 78061

Additional Addresses (1): San Antonio TX

High Country Sales & Trading, Inc.

4950 S Yosemite St, F2, Ste 305
Greenwood Village, CO 80111

Additional Addresses (1): Hudson CO

Miller, Ken, Supply, Inc.

Allen, KY 41601

Additional Addresses (11): Ivel KY, Junction City OH, Marietta OH, etc.

Moon Chemical Products Co.

Bethany, OK 73008

Additional Addresses (1): Oklahoma City OK

Oilfield Equipment Rental

3076 S US Hwy 83
Carrizo Springs, TX 78834

Phone: (817) 306-5830

Additional Addresses (2): Fort Worth TX, Midland TX

Philpott Energy & Transportation Co. Ltd.

1010 Industrial Pkwy N
Brunswick, OH 44212

Toll Free: (888) 267-2206

RDM Equipment Co., Inc.

1141 Mechanicsburg Rd
Wooster, OH 44691

Shebester International, Inc.

4901 S Rockwell St
Oklahoma City, OK 73179

Strong Services, LP

PO Box 672
Carthage, TX 75633

Additional Addresses (1): Teague TX

Surface Equipment Corp.

Kilgore, TX 75663

Valve Sales, Inc.

Oklahoma City, OK 73157

Additional Addresses (4): Woodward OK, Boerne TX, etc.

Vortex Tools, LLC

5994 S Prince St, Ste 100
Littleton, CO 80120

Phone: (303) 761-7570

Western Filter Co., Inc.

240 S Mitchell
Conway, AR 72034

Phone: (501) 589-7477

Additional Addresses (7): Greenbriar AR, Purcell OK, Tulsa OK, etc.

Swabbco

144 County Road 102
Rangely, CO 81648

Phone: (970) 675-2692

Northern Production Co., LLC

504 2nd St E
Melstone, MT 59054

Phone: (406) 320-0371

Additional Addresses (2): Gillette WY

Ace Well Service, Inc.

Russell, KS 67665

Phone: (620) 200-1812