| Company | Industry | # Emp | HQ | Company Total Emp | Additional Information |
| SCHOOL BOARD LAFAYETTE PARISH | Education | 4505 | - | - | |
| LAFAYETTE CONSOLIDATED GOVERNMENT | Public Administration | 2178 | - | - | Includes all government offices EXCEPT Clerk of Court, Assessor and Sherriff |
| LAFAYETTE GENERAL MEDICAL CENTER | Health Care | 1962 | - | - | |
| UNIVERSITY OF LOUISIANA-LAFAYETTE | Education | 1936 | - | - | Includes hospital, imaging and surgical centers |
| WAL-MART STORES INC | Retail Trade | 1735 | - | - | includes Wal-Mart and Sam's Club locations |
| WOOD GROUP PRODUCTION SERVICES | Oil and Gas | 1678 | - | - | Operates in 46 countries, 28,000 employees, $5 billion in sales |
| BAKER HUGHES | Oil and Gas | 1478** | - | - | Includes Inteq, Oil Tools, Production quest divisions and BJ Services |
| WHC INC | Oil and Gas | 1440 | - | - | |
| ISLAND OPERATING COMPANY | Oil and Gas | 1400 | HQ | - | |
| SCHLUMBERGER | Oil and Gas | 1390 | - | - | Smith Int'l, Pathfinder, Coil Tubing, Perf-o-Log, Wilson Suplly & Chem Tech, Samson Rope, MI SWACO |
| OUR LADY OF LOURDES REGIONAL MEDICAL CENTER | Health Care | 1327 | - | - | Includes hospital and affiliated services |
| STULLER INC | Manufacturing | 1175 | HQ | - | World's largest jewelry and settings manufacturer |
| SUPERIOR ENERGY SERVICES INC | Oil and Gas | 1154 | - | - | Includes Stabil Drilling, HB Rentals, Fastorq, Warrior Energy & Workstrings' locations |
| REGIONAL MEDICAL CENTER OF ACADIANA | Health Care | 1110 | - | - | Includes Women's & Children's, Regional Medical Center and affiliated services |
| HALLIBURTON ENERGY SERVICES | Oil and Gas | 1027 | - | - | Locations within parish |
| UNIVERSITY MEDICAL CENTER | Health Care | 958 | - | - | Includes hospital and affiliated services |
| UNITED VISION LOGISTICS | Transportation | 812* | HQ | 3146 | Includes Venture Logistics, Ace Transportation, Dynasty & Texas Hot Shot |
| WEATHERFORD | Oil and Gas | 775 | - | - | 19 locations within the parish (10 in Lafayette, 7 in Broussard & 2 in Scott) |
| LAFAYETTE PARISH GOVERNMENT (NOT A PART OF LCG) | Public Administration | 769 | - | - | Includes Clerk of Court, Assessor and Sherriff's Offices |
| QUALITY CONSTRUCTION & PRODUCTION LLC | Oil and Gas | 750 | - | - | |
| ENSCO OFFSHORE COMPANY | Oil and Gas | 706* | - | - | |
| FRANK'S CASING CREW | Oil and Gas | 698 | HQ | 1239 | |
| AT&T WIRELESS | Telecommunications | 681 | - | - | Only includes the call center |
| MCDONALD'S OF ACADIANA | Service | 660 | HQ | 1050 | McDonald's locations with parish |
| CHEVRON USA PRODUCTION COMPANY | Oil and Gas | 650 | - | - | Locations within parish; 280 are office and 370 are offshore |
| APACHE CORPORATION | Oil and Gas | 590 | - | - | 500 commissioned out of office; 90 work in office |
| LHC GROUP | Health Care | 568 | HQ | 7821 | Locations within parish |
| ACADIAN COMPANIES | Health Care | 566 | HQ | 3433 | |
| PETROLEUM HELICOPTERS INC | Transportation | 554 | HQ | 2337 | |
| HUB ENTERPRISES INC | Security | 550* | - | - | |
| ALBERTSON'S FOOD & DRUG | Grocery | 511 | - | - | Locations within parish |
| US POST OFFICE | Public Administration | 502 | - | - | Locations within parish |
| ESS SUPPORT SERVICES WORLDWIDE | Retail Trade | 500 | - | - | Locations within parish |
| NABORS DRILLING USA | Oil and Gas | 500 | - | - | |
| FUGRO | Oil and Gas | 475 | - | - | Includes Fugro Chance, Geo Services and John Chance Land Surveys |
| SCHUMACHER GROUP | Health Care | 450 | HQ | 1566 | Has locations in 17 states |
| KNIGHT OIL TOOLS INC | Oil and Gas | 400 | HQ | 883 | Locations within parish |
| TARGET | Department Store | 368 | - | - | Includes Super Target, Target, district office and distribution center |
| OMNI ENERGY SERVICES CORPORATION | Oil and Gas | 355 | HQ | 856 | Locations within parish |
| UNITED PARCEL SERVICE | Courier Service | 350* | - | - | Includes distribution and retail locations within parish |
| TRUSSCO INC | Oil and Gas | 350 | - | - | |
| DOERLE FOOD SERVICE INC | Wholesale Trade | 336 | HQ | 450 | |
| ACME TRUCK LINE INC | Transportation | 326 | - | - | Includes drivers and personnel in parish |
| LOWE'S | Retail Trade | 320 | - | - | Locations within parish |
| TRANSCOM | Telecommunications | 314 | - | - | Call center formerly known as Nucomm International |
HOME DEPOT | Retail Trade | 314 | - | - | Locations within parish |
| C&C TECHNOLOGIES | Oil and Gas | 313 | HQ | 615 | 343 of the 615 are in the US, others are international |
| IBERIA BANK | Finance | 312 | HQ | 2633 | Locations within parish |
| OFFSHORE ENERGY SERVICES INC | Oil and Gas | 309 | - | - | |
| ARIES MARINE | Oil and Gas | 300 | HQ | - | |
| KERGAN BROTHERS | Retail Trade | 300 | HQ | 1800 | 9 Sonic Drive-In locations in Parish-Own 54 stores statewide - 9th largest Sonic franchise in the US |
| STONE ENERGY | Oil and Gas | 300 | HQ | 347 | |
| AXXIS DRILLING INC | Oil and Gas | 298 | - | - | |
| TAYLORE'S INTERNATIONAL SERVICES | Food Service | 289* | HQ | - | Locations on 4 continents |
| WALGREEN'S | Retail Trade | 279 | - | - | Locations within parish |
| ACCESS OIL TOOLS | Oil and Gas | 275 | - | - | |
| ACADEMY SPORTS & OUTDOORS | Retail Trade | 275* | - | - | |
| TMC FOODS | Service | 271 | HQ | 734 | Popeye's Chicken and Biscuits locations within parish |
| SOUTHWEST LOUISIANA ELECTRIC | Utility | 270 | - | - | |
| VAN EATON & ROMERO INC | Real Estate | 265 | - | - | |
LOUISIANA TECHNICAL COLLEGE | Education | 260 | - | - | |
| JC PENNEY COMPANY | Retail Trade | 250 | - | - | |
| EXPRO | Oil and Gas | 246 | - | - | Employs 4000 people in 50 countries (800 employees in North America) |
| COX COMMUNICATIONS | Communications | 244 | - | - | Includes call center and service representatives |
| HEART HOSPITAL OF LAFAYETTE | Health Care | 225 | - | - | Includes hospital and affiliated services |
| SYDRAN | Service | 223 | - | - | Burger King locations within parish |
| COMPLETE HOME HEALTH | Health Care | 220 | - | - | |
| CITY CLUB OF RIVER RANCH | Recreation | 219 | - | - | |
| DUPRE TRANSPORT LLC | Transportation | 210 | HQ | 1011 | |
| BIS SALAMIS | Oil and Gas | 210 | - | - | |
| RED LERILLE'S HEALTH AND RACQUET | Recreation | 203 | - | - | |
| BERNHARD MECHANICAL CONTRACTORS INC | Construction | 202 | - | - | |
| GREENE'S ENERGY GROUP | Oil and Gas | 202* | HQ | 600 | |
| MORENO GROUP LLC | Oil and Gas | 200 | HQ | 2500 | Locations within parish |
| BRINKER INTERNATIONAL | Service | 200 | - | - | Chili's locations within parish |
| L & D COMMUNITY CARE INC | Health Care | 200 | - | - | |
| COURTESY AUTOMOTIVE GROUP INC | Retail Trade | 200 | - | - | |
| THE LEMOINE COMPANY LLC | Construction | 197 | - | - | |
| REPUBLIC BEVERAGE | Wholesale Trade | 197 | - | - | |
| SLEMCO | Utility | 196 | - | - | Locations within parish |
| MIDSOUTH BANK | Finance | 192 | HQ | 467 | Locations within parish |
| TRIUMPH MEADOWBROOK SPECIALTY HOSPITAL | Health Care | 185 | - | - | |
| SCHILLING DISTRIBUTING COMPANY INC | Wholesale Trade | 185 | - | - | |
| HIGH TECH COMPONENTS INC | Manufacturing | 185 | - | - | |
| GANNETT COMPANY INC | Communication | 180 | - | - | |
| LAFAYETTE ASSOCIATION FOR RETARDED CITIZENS | Social Advocacy | 180 | - | - | |
| LOADMASTER DERRICK & EQUIPMENT INC | Oil and Gas | 176* | - | - | |
| LAFAYETTE COCA-COLA BOTTLING | Wholesale Trade | 175 | - | - | |
| USGS NATIONAL WETLANDS RESEARCH CENTER | Public Administration | 175 | - | - | |
| DOUG ASHY BUILDING MATERIALS INC | Retail Trade | 173 | HQ | - | Locations within parish |
| CHASE BANK | Finance | 173 | - | - | |
| HILTON HOTELS | Hospitality | 171 | - | - | |
| BORDEN'S INC | Wholesale Trade | 170 | - | 230 | Lafayette is production hub for Southern Louisiana |
| NACHER CORPORATION | Oil and Gas | 170 | - | - | |
| EVANGELINE MAID BREAD | Food Processing | 170 | - | - | |
| CVS PHARMACY | Retail Trade | 167 | - | - | Locations within parish |
| AMERICA'S PIZZA COMPANY LLC | Service | 165 | - | - | Locations within parish |
| EVANGELINE OAKS | Health Care | 165* | - | - | |
TOTAL SAFETY INC | Oil and Gas | 163 | - | - | |
| ACADIANA BOTTLING COMPANY | Wholesale Trade | 160 | - | - | |
| COMMUNITY HOME HEALTH CARE | Health Care | 160 | - | - | |
| MAISON DE LAFAYETTE | Health Care | 160 | - | - | |
| DELMAR SYSTEMS INC | Oil and Gas | 159 | HQ | 208 | |
| ACADIANA COMPUTER SYSTEMS INC | Technology | 157 | - | - | |
| ACADIANA DODGE INC | Retail Trade | 157 | - | - | |
| SERVICE CHEVROLET INC | Retail Trade | 156 | - | - | |
| BEST BUY | Retail Trade | 155* | - | - | |
| HUB CITY FORD INC | Retail Trade | 154 | - | - | |
| MACRO OIL COMPANY INC | Oil and Gas | 153 | - | - | |
| KEY ENERGY SERVICES | Oil and Gas | 150 | - | - | |
| C H FENSTERMAKER & ASSOCIATES INC | Engineering | 150 | HQ | 285 | |
| GLENN LEGE CONSTRUCTION | Construction | 150 | - | - | |
| HUNTING ENERGY SERVICES | Oil and Gas | 150 | - | - | |
CAMELOT OF BROUSSARD | Health Care | 150 | - | - | |
EIU | Construction | 150 | - | - | |
JJM INC | Oil and Gas | 150 | - | - | |
PARK PLACE SURGERY CENTER | Health Care | 150 | - | - | |
| MAGNOLIA ESTATES | Health Care | 148 | - | - | |
ABERCROMBIE & FITCH COMPANY | Retail Trade | 147 | - | - | Includes Abercrombie & Fitch, Abercrombie Kids and Hollister Company |
VERMILION HOSPITAL DRUG REHAB | Health Care | 147 | - | - | |
PETROLEUM COORDINATORS INC | Oil and Gas | 145 | - | - | |
GAP INC | Retail Trade | 143 | - | - | Includes Gap, Gap Kids, Baby Gap, Old Navy and Banana Republic |
MOSS MOTORS INC | Retail Trade | 140 | - | - | |
ARDENT SERVICES | Construction | 140 | - | - | |
HOME FURNITURE COMPANY | Retail Trade | 140 | - | - | |
KELLER WILLIAMS REALTY | Real Estate | 140 | - | - | |
PREJEAN'S RESTAURANT | Service | 140 | - | - | |
UNITED BLOOD SERVICES OF LOUISIANA | Health Care | 140 | - | - | |
DON'S SEAFOOD | Service | 135 | - | - | |
INTERNATIONAL PAPER | Manufacturing | 132 | - | - | |
LOUISIANA VALVE SOURCE | Oil and Gas | 130 | - | - | |
CINTAS | Distribution | 126 | - | - | |
OILFIELD INSTRUMENTATION USA | Oil and Gas | 125 | - | - | |
GILES AUTOMOTIVE | Retail Trade | 125 | - | - | |
CORNERSTONE VILLAGE INC | Health Care | 120 | - | - | |
INNER PARISH SECURITY | Wholesale Trade | 119 | - | - | |
OCEANS BEHAVIORAL HOSPITAL | Health Care | 119 | - | - | |
CAPITAL ONE BANK | Finance | 118 | - | - | Locations within parish |
SUPER 1 FOODS | Retail Trade | 117 | - | - | |
ROTOCRAFT LEASING LLC | Transportation | 116 | HQ | 297 | Locations within parish |
ONCOLOGICS INC | Health Care | 116* | - | - | |
AMELIA MANOR NURSING HOME | Health Care | 115 | - | - | |
COYOTE BLUES INTL LLC | Service | 110 | - | - | |
TEXAS ROADHOUSE | Service | 110 | - | - | |
CC'S COFFEE | Retail Trade | 109 | - | - | CC's locations within parish and sales office |
| RIVER OAKS RETIREMENT MANOR | Health Care | 109 | - | - | |
| AUTOMATION USA | Manufacturing | 106* | - | - | |
| REPUBLIC ALLIED WASTE SERVICES | Waste Collection | 105 | - | - | |
| FIRE & SAFETY SPECIALISTS | Oil and Gas | 105 | - | - | |
| ZEA ROTISSERIE & GRILL | Service | 105 | - | - | |
| GLAZER | Wholesale Trade | 104 | - | - | |
| SOUTHERN THEATRES | Leisure | 103 | - | - | The Grand locations within the parish |
| LOUISIANA SAFETY SYSTEMS INC | Oil and Gas | 103 | - | - | |
| MACHINE SPECIALTY & MANUFACTURING INC | Wholesale Trade | 102 | - | - | |
| BNSF RAILWAY COMPANY | Transportation | 102 | - | - | |
| GULF COAST TEACHING FAMILY SERVICES | Social Service | 100 | HQ | 189 | The Lafayette office services the Lafayette Region, which employs 189 people |
| GRAND ISLE SHIPYARD INC | Transportation | 100* | - | - | |
| PROFESSIONAL WIRELINE RENTALS | Oil and Gas | 100 | - | - | |
| WHITNEY NATIONAL BANK | Finance | 100 | - | - | |
| C & G CONTAINERS INC | Service | 100* | - | - | |