Yes...most widely used are Tween types but if you want something different and widely acceptable for new generation protein formulations, then you can try with poloxamers (e.g. Pluronic F68, etc..)
A short review on the "Applications of surfactants in pharmaceutical dosage forms" can be found as the chapter 18 of the "Handbook of detergents, Part E: Applications, Surfactant Science Series no.141, pp.455-468, Uri Zolle,r ed., CRC Press, Boca Raton FL, 2009. If not available, I can send you the Table "Surfactants approved in Pharmaceutical Dosage Forms", appearing pp. 457-458 of the paper.