Mumbai, July 01:Large captive business process outsourcing (BPO) entities such as those belonging to American Express, GE and ABN Amro have begun facing significant pricing pressures from local third-party BPO firms such as Wipro-Spectramind, Daksh, Progeon, ICICI OneSource and Transworks. Though the pricing pressure is said to be the highest on commoditised services such as call centres and inbound customer interaction services, it is pinching captive centres jostling for space in the same market as their cheaper third-party counterparts.