| SAFETY-KLEEN SYSTEMS INC. | EAST CHICAGO | IN | 2,048 | 1,414,670 | 53,850 | 37.87% | 23.7% | 81.3% | 71,573 | |
| CLEAN HARBORS DEER PARK LLC | LA PORTE | TX | 3,058 | 1,258,402 | 38,258 | 26.91% | 17.2% | 73.7% | 30,429 | |
| CLEAN HARBORS BUTTONWILLOW LLC | BUTTONWILLOW | CA | 2,011 | 6,901 | 29,562 | 20.79% | 14.7% | 59.8% | 25,913 | |
| CLEAN HARBORS SAN LEON INC | SAN LEON | TX | 550 | 724,949 | 13,828 | 9.73% | 14.4% | 56.6% | | |
| CLEAN HARBORS EL DORADO LLC | EL DORADO | AR | 1,515 | 221,925 | 1,893 | 1.33% | 23.6% | 66.0% | 35,233 | |
| SAFETY-KLEEN SYSTEMS INC. | MADISON | WI | 24 | 4 | 1,346 | 0.95% | 15.2% | 33.4% | | |
| SAFETY-KLEEN SYSTEMS INC | NEW HAVEN | CT | 16 | 0 | 1,154 | 0.81% | 23.9% | 63.9% | | |
| CLEAN HARBORS ENVIRONMENTAL SERVICES INC | KIMBALL | NE | 27,403 | 607,912 | 662 | 0.47% | 10.9% | 17.8% | | |
| EMERALD SERVICES INC | TACOMA | WA | 887 | 367,653 | 636 | 0.45% | 9.8% | 50.6% | | |
| SYNERGY RECYCLING LLC | SAINT MARYS | GA | 60 | 0 | 251 | 0.18% | 50.2% | 49.4% | | |
| CYN OIL | STOUGHTON | MA | 9 | 0 | 194 | 0.14% | 7.6% | 41.6% | | |
| SAFETY-KLEEN SYSTEMS | DOLTON | IL | 11,396 | 9,690 | 147 | 0.10% | 23.2% | 79.2% | | |
| ENVIRO WASTE | MAHOPAC | NY | 8 | 38 | 127 | 0.09% | 4.7% | 26.7% | | |
| CLEAN HARBORS RECYCLING SERVICES OF CHICAGO LLC | CHICAGO | IL | 15,473 | 22,030 | 109 | 0.08% | 19.7% | 73.9% | | |
| SAFETY-KLEEN SYSTEMS INC | LINDEN | NJ | 3,641 | 12,973 | 56 | 0.04% | 13.2% | 67.0% | | |
| CLEAN HARBORS ARAGONITE LLC | GRANTSVILLE | UT | 234 | 344,783 | 27 | 0.02% | 6.9% | 17.5% | | |
| INDUSTRIAL SERVICE OIL CO | LOS ANGELES | CA | 25 | 69,997 | 19 | 0.01% | 20.2% | 87.7% | | |
| EMERALD SERVICES INC. | SEATTLE | WA | 389 | 5 | 12 | 0.01% | 10.9% | 52.1% | | |
| SAFETY-KLEEN INC | NEWARK | CA | 16 | 60,686 | 9 | 0.01% | 4.4% | 82.2% | | |
| SAFETY-KLEEN SYSTEMS INC | CHARLOTTE | NC | 13 | 0 | 8 | 0.01% | 9.2% | 64.1% | | |
| CLEAN HARBORS OF BRAINTREE INC. | BRAINTREE | MA | 2 | 0 | 7 | 0.00% | 9.4% | 39.3% | | |
| SAFETY-KLEEN SYSTEMS INC BUFFALO OIL RECOVERY FACILITY | BUFFALO | NY | 8 | 11 | 6 | 0.00% | 26.3% | 44.1% | | |
| RICKY'S OIL & ENVIRONMENTAL SERVICES LLC. | MIAMI | FL | 5 | 0 | 5 | 0.00% | 17.0% | 91.9% | | |
| SAFETY-KLEEN SYSTEMS INC. | LEXINGTON | SC | 453 | 34 | 5 | 0.00% | 14.3% | 44.4% | | |
| CLEAN HARBORS GRASSY MOUNTAIN LLC | GRANTSVILLE | UT | 634 | 4,025 | 2 | 0.00% | 15.1% | 42.9% | | |
| SYNERGY RECYCLING OF CENTRAL FLORIDA LLC | WINTER HAVEN | FL | 7 | 0 | 2 | 0.00% | 17.7% | 57.3% | | |
| CLEAN HARBORS DEER TRAIL LLC. | DEER TRAIL | CO | 84 | 0 | 2 | 0.00% | 9.1% | 29.2% | | |
| CLEAN HARBORS ENVIRONMENTAL SERVICES INC. | SOUTH PORTLAND | ME | 77 | 0 | 1 | 0.00% | 7.2% | 14.5% | | |
| THERMAL FLUIDS INC. - CLACKAMAS | CLACKAMAS | OR | 19 | 0 | 1 | 0.00% | 8.8% | 29.4% | | |
| CLEAN HARBORS WICHITA LLC | WICHITA | KS | 29 | 0 | 0 | 0.00% | 17.7% | 49.0% | | |
| SAFETY-KLEEN SYSTEMS DENTON RECYCLE CENTER | DENTON | TX | 0 | 2 | 0 | 0.00% | 10.4% | 46.3% | | |
| MURPHYS WASTE OIL SERVICES INC | WOBURN | MA | 4 | 21 | 0 | 0.00% | 7.1% | 27.8% | | |
| THERMO FLUIDS INC | PHOENIX | AZ | 86 | 0 | 0 | 0.00% | 21.1% | 77.0% | | |
| SAFETY-KLEEN SYSTEMS INC. | CRANSTON | RI | 0 | 2,918 | 0 | 0.00% | 12.3% | 40.9% | | |
| SAFETY-KLEEN SYSTEMS INC. | FALLON | NV | 2,321 | 0 | 0 | 0.00% | 9.4% | 28.8% | | |
| SAFETY-KLEEN SYSTEMS EAGAN (EAB) | EAGAN | MN | 1 | 4,910 | 0 | 0.00% | 15.1% | 15.3% | | |
| SAFETY-KLEEN SYS INC | CATOOSA | OK | 0 | 0 | 0 | 0.00% | 12.1% | 36.5% | | |
| EMERALD SERVICES INC | SEATTLE | WA | 32 | 0 | 0 | 0.00% | 10.4% | 47.8% | | |
| THERMO FLUIDS DENVER | COMMERCE CITY | CO | 891 | 477 | 0 | 0.00% | 17.4% | 60.7% | | |
| SAFETY-KLEEN SYSTEMS WAUKESHA (WAU) | WAUKESHA | WI | 827 | 0 | 0 | 0.00% | 13.2% | 32.2% | | |
| SAFETY-KLEEN SYSTEMS MANASSAS (MAN) | MANASSAS | VA | 5 | 0 | 0 | 0.00% | 9.1% | 71.5% | | |
| SAFETY-KLEEN SYSTEMS BRUNSWICK (BRU) | BRUNSWICK | OH | 803 | 0 | 0 | 0.00% | 9.6% | 21.5% | | |
| SAFETY-KLEEN SYSTEMS BLAINE (BLA) | BLAINE | MN | 242 | 0 | 0 | 0.00% | 8.7% | 33.7% | | |
| SAFETY-KLEEN SYSTEMS BALTIMORE (BAL) | BALTIMORE | MD | 2 | 0 | 0 | 0.00% | 19.5% | 60.0% | | |
| SAFETY-KLEEN SYSTEMS WEST MIFFLIN (WMP) | WEST MIFFLIN | PA | 724 | 0 | 0 | 0.00% | 12.1% | 23.5% | | |
| SAFETY-KLEEN SYSTEMS SPOKANE VALLEY (SPO) | SPOKANE | WA | 0 | 2 | 0 | 0.00% | 15.2% | 14.9% | | |
| SAFETY-KLEEN SYSTEMS (POM) | POMPANO BEACH | FL | 4 | 0 | 0 | 0.00% | 17.1% | 70.0% | | |
| SAFETY-KLEEN SYSTEMS MARLBOROUGH (MRB) | MARLBOROUGH | MA | 3 | 1,997 | 0 | 0.00% | 7.0% | 36.3% | | |
| SAFETY-KLEEN SYSTEMS NORCROSS (NGA) | NORCROSS | GA | 3 | 0 | 0 | 0.00% | 11.2% | 60.8% | | |
| SAFETY-KLEEN SYSTEMS BOYNTON BEACH (BOY) | BOYNTON BEACH | FL | 6 | 6 | 0 | 0.00% | 13.6% | 57.2% | | |
| SAFETY-KLEEN SYSTEMS IRVING (IRV) | IRVING | TX | 4 | 0 | 0 | 0.00% | 11.9% | 70.8% | | |
| SAFETY-KLEEN SYSTEMS SOUTH BEND (SBI) | SOUTH BEND | IN | 4 | 0 | 0 | 0.00% | 26.4% | 60.5% | | |
| SAFETY-KLEEN SYSTEMS TAMPA (TAM) | TAMPA | FL | 3 | 0 | 0 | 0.00% | 14.2% | 49.5% | | |
| SAFETY-KLEEN SYSTEMS SANFORD (SAN) | SANFORD | FL | 3 | 318 | 0 | 0.00% | 11.7% | 52.3% | | |
| SAFETY-KLEEN SYSTEMS CAPE GIRARDEAU (CAP) | CAPE GIRARDEAU | MO | 14 | 0 | 0 | 0.00% | 14.3% | 21.3% | | |
| SAFETY-KLEEN SYSTEMS GREENWOOD (GRE) | GREENWOOD | IN | 24 | 16 | 0 | 0.00% | 10.0% | 25.0% | | |
| SAFETY-KLEEN SYSTEMS ORANGE PARK (OPF) | ORANGE PARK | FL | 2 | 33 | 0 | 0.00% | 13.7% | 49.6% | | |
| SAFETY-KLEEN SYSTEMS INDEPENDENCE (IND) | INDEPENDENCE | MO | 30 | 0 | 0 | 0.00% | 14.5% | 32.8% | | |
| SAFETY-KLEEN SYSTEMS GRAND RAPIDS (GRM) | GRAND RAPIDS | MI | 0 | 1 | 0 | 0.00% | 15.2% | 14.9% | | |
| SAFETY-KLEEN SYSTEMS COHOES (COH) | COHOES | NY | 2 | 0 | 0 | 0.00% | 9.3% | 30.7% | | |
| SAFETY-KLEEN SYSTEMS MORROW (MOR) | MORROW | GA | 1 | 0 | 0 | 0.00% | 17.0% | 89.4% | | |
| SAFETY-KLEEN SYSTEMS FORT WAYNE (FWI) | FORT WAYNE | IN | 3 | 2 | 0 | 0.00% | 14.5% | 30.3% | | |
| SAFETY-KLEEN SYSTEMS MOBILE (WHA) | WHISTLER | AL | 2 | 0 | 0 | 0.00% | 27.3% | 72.1% | | |
| SAFETY-KLEEN SYSTEMS WICHITA (WIB) | WICHITA | KS | 3 | 0 | 0 | 0.00% | 17.3% | 33.1% | | |
| SAFETY-KLEEN SYSTEMS DAVENPORT (DAV) | DAVENPORT | IA | 4 | 0 | 0 | 0.00% | 11.6% | 26.6% | | |
| SAFETY-KLEEN SYSTEMS CHESTER (CVA) | CHESTER | VA | 2 | 0 | 0 | 0.00% | 11.0% | 53.6% | | |
| SAFETY-KLEEN SYSTEMS DES MOINES (DES) | DES MOINES | IA | 3 | 0 | 0 | 0.00% | 13.2% | 30.6% | | |
| SAFETY-KLEEN SYSTEMS FAIRFIELD (FAI) | FAIRFIELD | OH | 1 | 0 | 0 | 0.00% | 11.0% | 44.9% | | |
| SAFETY-KLEEN SYSTEMS SYRACUSE (SYR) | SYRACUSE | NY | 2 | 589 | 0 | 0.00% | 13.4% | 24.0% | | |
| SAFETY-KLEEN SYSTEMS INC. | SMITHFIELD | KY | 0 | 0 | 0 | 0.00% | 9.4% | 18.6% | | |
| SAFETY-KLEEN SYSTEMS LOUISVILLE (LOU) | LOUISVILLE | KY | 1 | 0 | 0 | 0.00% | 20.7% | 47.5% | | |
| SAFETY-KLEEN SYSTEMS ELGIN (ELG) | ELGIN | IL | 1 | 1 | 0 | 0.00% | 7.8% | 50.0% | | |
| SAFETY-KLEEN SYSTEMS GREER (GSC) | GREER | SC | 2 | 0 | 0 | 0.00% | 10.2% | 34.7% | | |
| SAFETY KLEEN SYSTEMS INC - OCALA | OCALA | FL | 3 | 0 | 0 | 0.00% | 12.0% | 39.4% | | |
| SAFETY-KLEEN SYSTEMS ROMULUS (ROM) | ROMULUS | MI | 1 | 0 | 0 | 0.00% | 17.1% | 43.5% | | |
| SAFETY-KLEEN SYSTEMS NASHVILLE (NAS) | NASHVILLE | TN | 1 | 0 | 0 | 0.00% | 14.6% | 43.9% | | |
| SAFETY KLEEN CORP GROVEPORT (GRO) | GROVEPORT | OH | 1 | 0 | 0 | 0.00% | 16.2% | 45.7% | | |
| SAFETY-KLEEN SYSTEMS SAGINAW (SAG) | SAGINAW | MI | 4 | 82 | 0 | 0.00% | 26.5% | 40.7% | | |
| SAFETY-KLEEN SYSTEMS ARCHDALE (ARC) | ARCHDALE | NC | 1 | 0 | 0 | 0.00% | 19.3% | 51.9% | | |
| SAFETY-KLEEN SYSTEMS WHEELING (WHE) | WHEELING | WV | 2 | 0 | 0 | 0.00% | 25.9% | 17.2% | | |
| SAFETY-KLEEN SYSTEMS HANOVER TOWNSHIP (WBP) | WILKES BARRE | PA | 1 | 40 | 0 | 0.00% | 17.7% | 35.9% | | |
| SAFETY-KLEEN SYSTEMS OMAHA (OMA) | OMAHA | NE | 1 | 0 | 0 | 0.00% | 6.0% | 20.8% | | |
| SAFETY-KLEEN SYSTEMS HUNTSVILLE (HUN) | HUNTSVILLE | AL | 1 | 0 | 0 | 0.00% | 12.4% | 40.1% | | |
| SAFETY-KLEEN SYSTEMS AVON (AVO) | AVON | NY | 17 | 1 | 0 | 0.00% | 9.8% | 22.3% | | |
| SAFETY-KLEEN SYSTEMS MASON (MMB) | MASON | MI | 2 | 385 | 0 | 0.00% | 9.0% | 19.1% | | |
| SAFETY-KLEEN SYSTEMS NEW KINGSTOWN (NKP) | NEW KINGSTOWN | PA | 15 | 0 | 0 | 0.00% | 7.8% | 31.2% | | |
| SAFETY-KLEEN SYSTEMS MILLINGTON (MIL) | MILLINGTON | TN | 1 | 0 | 0 | 0.00% | 21.2% | 65.2% | | |
| SAFETY-KLEEN SYSTEMS VINTON (ROA) | VINTON | VA | 1 | 0 | 0 | 0.00% | 10.6% | 13.8% | | |
| SAFETY-KLEEN SYSTEMS POCA (POC) | POCA | WV | 1 | 0 | 0 | 0.00% | 14.8% | 8.5% | | |
| SAFETY-KLEEN SYSTEMS JOHNSTOWN (JOH) | JOHNSTOWN | PA | 2 | 0 | 0 | 0.00% | 12.1% | 9.7% | | |
| CLEAN HARBORS CLIVE LLC | CLIVE | UT | 3 | 0 | 0 | 0.00% | 12.9% | 41.9% | | |
| CLEAN HARBORS RECYCLING SERVICES OF OHIO LLC | HEBRON | OH | 0 | 8,415 | 0 | 0.00% | 12.7% | 21.5% | | |
| CLEAN HARBORS BATON ROUGE LLC | BATON ROUGE | LA | 0 | 2,179 | 0 | 0.00% | 0.0% | 0.0% | | |
| CLEAN HARBORS LONE MOUNTAIN LLC LONE MOUNTAIN FACILITY | WAYNOKA | OK | 0 | 1,762 | 0 | 0.00% | 0.0% | 0.0% | | |
| CLEAN HARBORS SAN JOSE LLC | SAN JOSE | CA | 0 | 985 | 0 | 0.00% | 0.0% | 0.0% | | |