Grinnell Mutual Reinsurance Company
Carrier website links, underwriting access points, mapped product lines, and appetite notes in one place.
This appetite summary is only a guide. Confirm eligibility, submission requirements, restrictions, and binding authority directly with the carrier or underwriter before relying on it.
Carrier appetite summary
Grinnell Mutual’s detailed risk-acceptability and pricing rules are housed in state-specific Agent Manuals accessible only to appointed agents; these manuals are the primary underwriting reference for all lines (commercial, workers’ comp, personal lines, umbrella, etc.). Agents must select the correct state and company (Grinnell Mutual vs. Grinnell Select) and follow that manual’s eligibility, rating, and coverage rules for each line of business.([dev.wcm.grinnellmutual.com](https://dev.wcm.grinnellmutual.com/underwriting/agent-manuals/?utm_source=openai)) PREFERRED / TARGET COMMERCIAL BUSINESS • Focus on small-to-mid-sized Main Street risks written through independent agents in their 12-core states (IL, IN, IA, MN, MO, NE, ND, OH, OK, PA, SD, WI).([grinnellmutual.com](https://grinnellmutual.com/about-us?utm_source=openai)) • Targeted business programs (generally written on BOP/CPP with property, GL, and supporting lines) include: agribusiness (feed, seed, grain, fertilizer dealers, co-ops, grain elevators), auto service and repair, barber/beauty salons, florists, funeral homes, houses of worship, artisan contractors (MasterTrades), mini-storage warehouses, multi‑family residential, photographers, restaurants, and veterinarians. These segments are actively marketed as focus classes and are likely to receive favorable underwriting attention when accounts otherwise meet manual criteria.([grinnellmutual.com](https://www.grinnellmutual.com/insurance/business/target-markets?utm_source=openai)) • Business coverages commonly packaged with these segments include commercial property, business personal property, business income, commercial general liability, equipment breakdown, crime, and inland marine where applicable. Workers’ compensation, commercial auto, EPLI, cyber, and commercial umbrella are positioned as companion lines to round the account where eligibility rules are met.([grinnellmutual.com](https://www.grinnellmutual.com/insurance/business?utm_source=openai)) COMMERCIAL PROPERTY & PACKAGE • Commercial property is written primarily as part of Businessowners and Commercial Package Programs. The annual report notes strong growth in these programs and highlights houses of worship, artisan contractors, and agribusiness as leading markets, implying these are core appetites when COPE and loss history are acceptable.([grinnellmutual.com](https://www.grinnellmutual.com/Upload/News/2022-Annual-Report.pdf?utm_source=openai)) • Underwriting and loss control bulletins (e.g., water sensor systems, restaurant/meal-service safety) are used as reference guides for specific hazards; they do not override manual rules but indicate expectations for risk control (e.g., use of UL‑listed water sensor systems, adherence to kitchen safety standards). These bulletins are intended for underwriters/agents as guidance on acceptable protective measures and should be followed to improve acceptability and pricing.([grinnellmutual.com](https://www.grinnellmutual.com/upload/assets/documents/LossControlBulletins/LCB34-Wi-Fi-or-Cellular-Water-Sensors.pdf?utm_source=openai)) • Property eligibility and limits, valuation requirements, special hazards (cooking, deep fat frying, refrigeration, water damage, etc.), and mandatory protections are governed by the state Agent Manuals. Agents should consult the applicable manual section for construction, occupancy, protection, and exposure (COPE) criteria, maximum TIVs, and any wind/hail or other catastrophe limitations. COMMERCIAL UMBRELLA • Commercial umbrella is available to insureds that place **all underlying commercial liability policies with Grinnell Mutual**; eligibility requires the umbrella to sit over Grinnell primary lines rather than other carriers.([grinnellmutual.com](https://grinnellmutual.com/insurance/business/business-coverages?utm_source=openai)) • Umbrella is marketed as an economical way to increase limits, potentially replacing exhausted primary aggregates and providing some broader coverage subject to underlying and retention conditions. Detailed minimum underlying limits, maximum umbrella limits, and prohibited classes are contained in the Agent Manuals and must be checked at quoting. WORKERS’ COMPENSATION • Workers’ compensation is offered as part of Grinnell’s business insurance portfolio and is generally packaged with other commercial lines for small and mid‑market accounts.([grinnellmutual.com](https://www.grinnellmutual.com/insurance/business?utm_source=openai)) • Eligibility, class-by-class appetite, experience mod thresholds, and prior-loss requirements are defined in the state Agent Manuals. Appetite is typically aligned with the listed target markets (artisan contractors, auto service, retail/service classes, agribusiness operations, etc.) and avoids very high‑hazard or specialty classes unless specifically supported. HOME / PERSONAL LINES (INCLUDING UMBRELLA) • Grinnell writes home and personal lines through partner mutuals and independent agents in their core states. Personal umbrella guidelines (example: Pennsylvania quick reference) require copies of all non‑Grinnell underlying declarations at new business and renewal and state that products and discounts are subject to underwriting guidelines, review, and approval. Agents should expect similar documentation/eligibility requirements in other states even where not explicitly published.([dev.wcm.grinnellmutual.com](https://dev.wcm.grinnellmutual.com/upload/marketing-materials/agent-training/2758-pa-pers-umbrella-quick-reference-guide.pdf?utm_source=openai)) RESTRICTED OR DECLINED RISKS (INFERRED) • While specific decline lists are inside the secured manuals, public materials suggest that non‑core or high‑hazard commercial risks (heavy manufacturing, large frame habitational with poor protection, high‑hazard products, medical professional exposures, coastal CAT‑exposed property outside their footprint) are generally not a focus and may be declined or redirected to Grinnell Specialty Agency or another market. Grinnell Specialty Agency exists specifically to place hard‑to‑insure or non‑standard risks that do not fit direct-line appetite, so agents should treat that as the preferred path for out‑of‑appetite submissions.([grinnellspecialtyagency.com](https://grinnellspecialtyagency.com/?utm_source=openai)) GEOGRAPHIC NOTES • Direct lines are distributed through independent and mutual agents concentrated in IL, IN, IA, MN, MO, NE, ND, OH, OK, PA, SD, and WI; those are the primary underwriting territories for the listed products. Some reinsurance and specialty programs may reach additional states, but standard workers’ comp, commercial property, commercial umbrella, and home business are primarily within this footprint and subject to state‑specific manuals and filings.([grinnellmutual.com](https://grinnellmutual.com/about-us?utm_source=openai)) SUBMISSION & PRODUCER EXPECTATIONS • Only appointed, licensed agents of Grinnell Mutual or Grinnell Select may access the Agent Manuals and submit business. Agents must use the appropriate state/company manual as the authoritative source for eligibility, rating, and coverage rules.([dev.wcm.grinnellmutual.com](https://dev.wcm.grinnellmutual.com/underwriting/agent-manuals/?utm_source=openai)) • Grinnell emphasizes strong agency relationships and loss‑control partnership. Agents are expected to provide complete submissions (applications, COPE data, loss runs, and, for umbrellas, all underlying declarations) and to follow published safety and loss‑control recommendations, especially for cooking, water damage mitigation, and other key hazards.([grinnellmutual.com](https://www.grinnellmutual.com/upload/assets/documents/LossControlBulletins/LCB34-Wi-Fi-or-Cellular-Water-Sensors.pdf?utm_source=openai)) • Hard‑to‑place or non‑standard risks that do not meet the direct-line manuals should be referred to Grinnell Specialty Agency, which can broker coverage with more than 30 partner companies; submissions for these risks are typically initiated via the specialty email contact provided on that site.([grinnellspecialtyagency.com](https://grinnellspecialtyagency.com/?utm_source=openai)) OPERATIONAL NOTES • All products and discounts are not available in every state and remain subject to formal underwriting review and approval; agents should always verify availability and rules in the current Agent Manual and rate/quote platform at time of submission.([grinnellmutual.com](https://grinnellmutual.com/about-us?utm_source=openai)) • Loss control bulletins are for reference and do not constitute binding rules but are often used by underwriters to determine whether a risk has appropriate controls in place; adherence can materially improve acceptability and pricing outcomes. Because Grinnell’s detailed risk-acceptability rules (including specific preferred, restricted, and declined class codes) are contained in secure Agent Manuals, producers should treat those manuals and current state filings as the controlling authority for final underwriting decisions.