President/CEO Randy Crenshaw Cell (229) 424-2303 randy.crenshaw@irwinemc.com SVP of Administration Tammie Elliott (229) 468-2317 tammie.elliott@irwinemc.com Accounting Karla Collier (229) 468-2318 karla.collier@irwinemc.com Billing Constance Lake (229) 468-2305 constance.lake@irwinemc.com Construction Gordon Tapp (229) 468-2329 gordon.tapp@irwinemc.com Electrical Engineer Stephen Tyus (229) 468-2316 stephen.tyus@irwinemc.com Energy Services David Martin (229) 468-2313 david.martin@irwinemc.com Engineering Services/Operations Scott Anderson (229) 468-2332 scott.anderson@irwinemc.com Staking/Right of Way Allen Green (229) 468-2322 allen.green@irwinemc.com