31. Another 4, 400 boardings ( 0.38 % ) occurred on subsidized bus routes operated by private carriers . 32. Private carriers were introduced in 1990s after many strikes in GSP, which had the monopoly till then.33. Private carriers also operate within the city.34. Private carriers generally provide transport on an irregular or " ad hoc " basis for their owners.35. "Our goal is to prevent the wholesale abandonment of the Long Island homeowners'market by these private carriers ," 36. June 22, 2001-- FAA issues an " information circular " to private carriers , saying it's concerned about security. 37. In addition, emergency ambulance services is bolstered by a variety of private carriers tasked with interfacility transfers only. 38. Halcyonair a private carrier with Portuguese and Cape Verdean shareholders is commenced operations on inter-island flights during 2007. 39. But in the mid-1990s the Net became a commercial enterprise, and its operation was transferred to private carriers . 40. Private carriers usually take industrial garbage.