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| 574 | 257TH ENGINEER DETACHMENT, ARIZONA ARMY NATIONAL GUARD | 1335 N. 52ND ST. | | PHOENIX | AZ | 85008-3433 | 602-629-4038 | EXEMPT | SEE COMMENTS | A |
| 162 | 4-J DRILLING & PUMP COMPANY, L.C. | P.O. BOX 36 | | PIMA | AZ | 85543-0036 | 928-485-9639 | C-53 & A-4 | JOE TATUM | A |
| 12 | A TO Z DRILLING & PUMP SERVICE LLC | P.O. BOX 519 | | TAYLOR | AZ | 85939-0519 | 928-536-7319 | K-53 | TERRANCE R. MCCRAY SR. | A |
| 691 | ABC PUMP AND WELL DRILLING | PO BOX 2426 | | BENSON | AZ | 85602-2426 | 520-221-0114 | REVOKED | BRIAN C. VAUGHT | A |
| 803 | ACOSTA DRILLING, INC. | P.O. BOX 1221 | | LAMESA | TX | 79331-1221 | 806-872-5960 | NONE | VICTOR M. ACOSTA, JR. | A |
| 671 | ADT DRILLING dba Advanced Drilling Technology, LLC | | | SCOTTSDALE | AZ | | | | SEE COMMENTS | A |
| 108 | AERO DRILLING AND PUMPS, INC. | P.O. BOX 499 | | PAYSON | AZ | 85547-0499 | 928-474-2376 | C-53 & A-4 | CHRIS MILLER | A |
| 609 | AGAVE DRILLING & PUMP SUPPLY | 5740 N TEE PEE LANE | | LAS VEGAS | NV | 89149 | 702-645-1397 | NONE | SEE COMMENTS | A |
| 808 | ALAN LANG | PO BOX 27558 | | SALT LAKE CITY | UT | 84127-0558 | 801-554-2419 | NONE | ALAN LANG | A |
| 13 | ALLEN PUMP COMPANY, INC. | 4206 W. HIGHWAY 70 | PO BOX A | THATCHER | AZ | 85552-0616 | 928-428-3273 | K-53 | STEVE ALLEN | A |
| 14 | ALLEN'S WELL SERVICE, LLC | 5509 W. GLEESON ROAD | | ELFRIDA | AZ | 85610-9050 | 520-642-3775 | C-53 & L-53 | HARVEY ALLEN | A |
| 822 | ALPINE REMEDIATION, INC. | 14252 W. 44TH AVE, UNIT G | | GOLDEN | CO | 80403-1800 | 303-277-0857 | NONE | MATTHEW W. STEERE | A |
| 784 | ALTAR DRILLING, INC. | P.O. BOX 42831 | | TUCSON | AZ | 85733-2831 | 520-289-4741 | A-4 | DANIEL LAJACK | A |
| 634 | AMERICAN CONSTRUCTION AND SUPPLY, INC. dba ACS of CA | P.O. BOX 410 | | CORTE MADERA | CA | 94976-0410 | 415-927-2024 | "A" | RUDY ARANA | A |
| 390 | AMERICAN JOJOBA CORPORATION | 16514 WEST VICTORY ROAD | | GOODYEAR | AZ | 85338-9732 | 623-932-1245 | NONE | PAUL S. GARBER | A |
| 770 | ANZALONE PUMPS, INC. | 3632 N 250 E | | ENOCH | UT | 84721-1914 | 435-590-1303 | K-53 | MICHAEL T. ANZALONE | A |
| 683 | ARIZOLA DRILLING, LLC | 1124 E. JIMMIE KERR | | CASA GRANDE | AZ | 85122 | 520-876-9568 | NONE | VICTOR ENCINAS LIRA | A |
| 360 | ARIZONA BEEMAN DRILLING dba Morex Investments LLC | 15563 E. U. S. HWY 60 | | GOLD CANYON | AZ | 85118 | 480-983-2542 | A-4, C-53, "A" | SEE COMMENTS | A |
| 767 | ARIZONA MONSOON H2O, INC. | 28150 N ALMA SCHL PKWY 103/176 | | SCOTTSDALE | AZ | 85262 | 480-471-2323 | K-53 | MARTIN J. CRAVEN JR. | A |
| 619 | ARIZONA PRESTON DRILLING, LLC | 8957 E. PALM LANE | | MESA | AZ | 85207-9118 | 480-986-6285 | C-53 & A-4 | TREY PRESTON | A |
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