| 100 | L-3 Communications Westwood |
| 101 | John Deere Power Systems |
| 102 | Waller Marine, Inc. |
| 103 | Insultech LLC |
| 104 | Bureau Veritas |
| 108 | Faststream Recruitment Inc |
| 109 | Thrustmaster of Texas, Inc. |
| 200 | ABS Americas |
| 201 | Alfa Laval, Inc. |
| 202 | Glosten Associates |
| 203 | Ideal Marine Staffing Solutions |
| 205 | KRAL AG |
| 208 | Northern Lights |
| 209 | Brand Energy & Infrastructure Services |
| 210 | Pointwise, Inc. |
| 211 | Herbert Engineering Corp. |
| 212 | Triumph Aerospace Systems-Newport News |
| 213 | W&O Supply |
| 214 | Alexander/Ryan Marine & Safety Co. |
| 215 | Carderock Div., NSWC |
| 216 | BETA CAE Systems USA, Inc. |
| 217 | Tero Marine |
| 218 | Hyde Marine, Inc. |
| 219 | Det Norske Veritas (DNV) |
| 220 | Electronic Marine Systems Inc |
| 221 | Det Norske Veritas (DNV) |
| 300 | Fast Systems, Smith & Loveless, Inc. |
| 301 | Strand 7 Pty Ltd |
| 302 | Caterpillar Marine Power Systems |
| 303 | ZF Marine, LLC. |
| 304 | Houston Ship Repair, Inc. |
| 305 | DBC Marine Safety (Div of Zodiac) |
| 308 | Allied Systems Company |
| 309 | Marin |
| 310 | Wartsila |
| 311 | International Paint, LLC. |
| 312 | Wartsila |
| 313 | Scandinavian Boiler Service |
| 314 | CD-adapco |
| 315 | American United Marine Corp. |
| 316 | Aveva |
| 317 | Flow Science, Inc. |
| 318 | National Shippbuilding Research Program |
| 319 | Lloyd`s Register North America, Inc. |
| 320 | NACE International |
| 321 | Lloyd`s Register North America, Inc. |
| 400 | Northrop Grumman Corp. |
| 401 | GTA Marine |
| 402 | Northrop Grumman Corp. |
| 403 | R.W. Fernstrum & Co. |
| 404 | The Maritime Group |
| 408 | Workboat Show and Magazine |
| 409 | General Dynamics Marine Systems |
| 410 | Diesel & Gas Turbine Worldwide |
| 412 | NIIIP Spars |
| 413 | Creative Systems, Inc. |
| 414 | Sohre Turbomachinery, Inc. |
| 415 | Cincinnati Gearing Systems |
| 416 | 115 lounge |
| 417 | Aalborg Industries |
| 418 | Appleton Marine, Inc. |
| 419 | Ultra Poly, Inc. |
| 420 | Form Sys |
| 421 | ShipConstructor Software, USA, Inc. |
| 500 | Oceanic Consulting Corporation |
| 501 | Robert Allan Ltd. |
| 502 | Man Diesel |
| 503 | Maersk Line, Ltd. |
| 505 | Kobelco Eagle Marine, Inc. |
| 509 | MMC International Corp. |
| 511 | Intergraph Corporation |
| 512 | Graphics Research Corporation |
| 513 | PPG, Protective & Marine Coatings |
| 514 | Qinetiq |
| 515 | Vigil Antislip |
| 516 | Microtherm/NVT |
| 517 | Emerson Process Management |
| 518 | Peck & Hale |
| 519 | Jastram Engineering |
| 520 | Genoa Design/International Ltd. |
| 521 | Retlif Testing Laboratories |
| 600 | PolySpec L.P. |
| 601 | BA Griffin Associates Inc |
| 602 | ANSYS, Inc. |
| 603 | Tranter, Inc. |
| 604 | 3M |
| 605 | Tranter, Inc. |
| 608 | BMT Group |
| 609 | L.C. Doane Company, The |
| 610 | Applied Cooling Technology |
| 611 | SNAME |
| 612 | Point Eight Power |
| 613 | SNAME |
| 614 | Project Voyager |
| 615 | Sea Perch |
| 617 | Sound Propeller Services Inc. |
| 620 | Deansteel Mfg. Co. |
| 621 | Altair Engineering |