Not at all - just the 2 largest "denomnations." The smaller Orthodox branch does not perform homosexual marriages and seems to be very much at the other end of social spectrum from the Reformed and Conservative (who are not conservative by Freeper understanding).
“Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. 14 But small is the gate and narrow the road that leads to life, and only a few find it." Matt 713.14