Engineering services; electrical engineering services; mechanical engineering services; nuclear engineering services; radio frequency engineering services; engineering design services; engineering drawing services; consulting in the field of engineering; research, development, engineering and testing services in the fields of energy, defense, aviation, and aerospace

Emergency medical response services

Firefighting services; wildland firefighting services; hazardous material firefighting services; specialty firefighting services for aircraft and spacecraft, and high angle and confined spaces; security services, namely, armed and unarmed escorts and security personnel for guarding restricted facilities and assets; security services, namely, armed and unarmed escorts and security personnel for private individuals and executive personnel, including celebrities, corporate executives, dignitaries, and political figures; security services, namely, armed and unarmed escorts and security personnel for high-profile events