Key Takeaways The Standard Commercial Lines segment generated 71% of total revenues and 79% of net premiums written in 2025.Expansion into new states, including Kansas in 2025, supports premium growth and broader market presence.Higher new business, pricing, renewal exposure and retention continue to drive growth in the segment.Selective Insurance Group, Inc. (SIGI) has a strong presence in the standard commercial lines market, focusing primarily on small and middle-market businesses. SIGI sells the Standar ...