| RAINBOW PROMISE CHILDCARE AND PRESCHOOL | DEFIANCE, OH | 263 | 24 | — |
| PAWPAWS COUNTRY MART | CANTON, OH | 261 | 96 | — |
| GARDEN ACRES WATER COMPANY PWS | SPRINGFIELD, OH | 260 | 14 | — |
| ODNR-WINGFOOT LAKE PARK | RAVENNA, OH | 260 | 33 | — |
| WILDERNESS CENTER INC | WILMOT, OH | 260 | 65 | — |
| OLESIA'S TAVERNE OF RICHFIELD | RICHFIELD, OH | 260 | 99 | — |
| HCWSD-UNIONVALE-KENWOOD | CADIA, OH | 257 | 81 | — |
| MILLERSVILLE ST MARY CHURCH | HELENA, OH | 256 | 274 | — |
| AMESVILLE PUBLIC WATER SYSTEM | AMESVILLE, OH | 255 | 26 | — |
| PAX MACHINE WORKS | CELINA, OH | 255 | 183 | — |
| ODNR-QUAIL HOLLOW MANOR HOUSE | CANTON, OH | 255 | 59 | — |
| SHELLY ACRES WATER ASSOCIATION | MANSFIELD, OH | 254 | 104 | — |
| LAKEVIEW MARATHON | LAKEVIEW, OH | 253 | 101 | — |
| WINBURY PROFESSIONAL CENTER PWS | CHAGRIN FALLS, OH | 252 | 135 | — |
| STANDING ROCK FARMS | MADISON, OH | 252 | 0 | — |
| MWCD-CLENDENING MARINA | NEW PHILADELPHIA, OH | 251 | 3 | — |
| ST LOUIS CATHOLIC CHURCH | NORTH STAR, OH | 250 | 24 | — |
| WHITETAIL RUN HOMEOWNERS | INDEPENDENCE, OH | 250 | 124 | — |
| BAINBRIDGE CENTER BLDG. | PEPPER PIKE, OH | 250 | 103 | — |
| THE POND ICE RINK PWS | CHAGRIN FALLS, OH | 250 | 51 | — |
| WOODHAVEN SWIM AND TENNIS CLUB, INC | ALPHA, OH | 250 | 103 | — |
| PROVIA STONE LLC PWS | SUGARCREEK, OH | 250 | 0 | — |
| BUURMA FARMS AMLC 1 PWS | WILLARD, OH | 250 | 23 | — |
| LEGACY SPRINGS | NEW ALBANY, OH | 250 | 44 | — |
| MOHICAN WILDERNESS CAMP | GLENMONT, OH | 250 | 72 | — |
| LIFE IN CHRIST FELLOWSHIP PWS | WEST JEFFERSON, OH | 250 | 0 | — |
| SOUTH RANGE LOCAL SCHOOLS ATH COMPLEX | SALEM, OH | 250 | 0 | — |
| MARION SUNOCO | MARION, OH | 250 | 8 | — |
| CLAMPCO PRODUCTS | WADSWORTH, OH | 250 | 92 | — |
| STILLWATER PRAIRIE RESERVE PWS | TROY, OH | 250 | 3 | — |
| FARMERSVILLE/JACKSON TWP REC COMM CTR | FARMERSVILLE, OH | 250 | 28 | — |
| OAKDALE WATER DISTRICT | GLOUSTER, OH | 250 | 31 | Clean |
| MANTUA MOBILE HOME PARK | DURHAM, OH | 250 | 76 | — |
| FAIRWAYS AT TWIN LAKES-CABIN PRO SHOP | RAVENNA, OH | 250 | 13 | — |
| CONNER COMMUNITY PARK - RESTROOM BLDG #1 | FREMONT, OH | 250 | 12 | — |
| CONNER COMMUNITY PARK - RESTROOM BLDG #2 | FREMONT, OH | 250 | 12 | — |
| TWIN ACRES RV PARK | WHITEHOUSE, OH | 249 | 14 | — |
| SCHMIDTYS PWS | NASHPORT, OH | 248 | 7 | — |
| GIBSONBURG TRUCK STOP | GIBSONBURG, OH | 248 | 22 | — |
| THE WAY INTERNATIONAL | NEW KNOXVILLE, OH | 248 | 38 | — |
| AMERICAN AUGERS | WEST SALEM, OH | 247 | 356 | — |
| CROUSE MOBILE HOME PARK & SALES, LLC | HAMILTON, OH | 247 | 92 | — |
| ROCK OF AGES SCHOOL AND CHURCH | DALTON, OH | 247 | 104 | — |
| REX HILL ESTATES, LLC | DOYLESTOWN, OH | 246 | 140 | — |
| THE GROVE COMM. CHRISTIAN CHURCH PWS | BALTIMORE, OH | 245 | 96 | — |
| TWIN RIVERS WATER CORPORATION | HARRISON, OH | 245 | 84 | — |
| MID-OHIO SPORTS MAINTENANCE | LEXINGTON, OH | 245 | 43 | — |
| BETHANY MENNONITE CHURCH-HARTVILLE | HARTVILLE, OH | 245 | 13 | — |
| WILDWOOD ACRES CAMPGROUND | ANDOVER, OH | 244 | 47 | — |
| KINETICO INCORPORATED | NEWBURY TOWNSHIP, OH | 242 | 44 | — |