General Casualty writes primary liability coverage on businesses exposed to premises liability type claims, including: mercantile and retail operations, apartments and condominiums, daycare facilities, hotels and motels, restaurants, bars, taverns and schools. The head underwriter in this division has 26 years of experience. We generally write $1.0 million per occurrence in limits, and we retain the entire $1.0 million limit. During 2013, 2012, and 2011, we wrote $22.6 million, $12.7 million, and $8.2 million in premiums in this division, respectively.
Excess Casualty underwrites excess liability coverage for a variety of risk classes, including: manufacturers, contractors, distributors and transportation risks. We typically provide between $1.0 million and $10.0 million per occurrence limits above a $1.0 million attachment point. Of this amount, we retain up to $1.0 million of exposure per occurrence and cede the balance to our reinsurers. We write excess liability coverage above our own primary policies, as well as policies issued by third parties. When we write above others’ policies, we are selective regarding underlying carriers, focusing on the nature of the business, the financial strength of the carrier, their pricing and their claims handling capabilities. The underwriter who heads this division has 30 years of industry experience. During 2013, 2012, and 2011, we wrote $32.5 million, $29.8 million, and $20.8 million in premiums in this division, respectively.
Energy writes risks engaged in the business of energy production, distribution or mining. Examples of classes underwritten by this division include oil and gas exploration companies, oil or gas well drillers, oilfield consultants, oil or gas lease operators, oil well servicing companies, oil or gas pipeline construction companies and mining-related risks. We typically provide policy limits between $1.0 million and $5.0 million per occurrence and retain up to $1.0 million in limit net. The underwriter leading this division has 41 years of experience in the business. During 2013, 2012, and 2011 we wrote $21.4 million, $15.8 million, and $10.6 million in premiums in this division, respectively.
Excess Property writes property risks above the primary coverage layer for classes, including apartments, condominiums, resorts, shopping centers, offices and general commercial properties. Typical limits offered are up to $5.0 million. We retain up to the first $5.0 million in any one event. The underwriter leading our Excess Property division has 29 years of experience in the industry. During 2013, 2012, and 2011, we wrote $11.0 million, $9.2 million, and $8.2 million in premiums in this division, respectively.
Professional Liability writes professional liability coverage for accountants, architects, engineers, lawyers and certain other professions. We typically provide policy limits between $1.0 million and $5.0 million per occurrence and retain the first $1.0 million net. The individual who directs our professional liability division has 21 years of industry experience. All of our professional liability coverage is written on a claims made and reported basis. We wrote $10.7 million in premiums during each of 2013 and 2012 and $11.1 million in 2011.
Allied Health underwrites casualty insurance for allied health and social service types of risks, such as long-term care facilities, independent living apartments, group homes, half-way houses and shelters, drug rehab, home health care and medical staffing enterprises. We typically provide policy limits between $1.0 million and $5.0 million per occurrence and retain up to $1.0 million in limit net. The underwriter responsible for this unit has 21 years of experience in the business. Approximately 90.3% of the premiums written by our Allied Health division from inception through 2013 have been written on a claims made and reported form. We believe this policy form significantly reduces our long-term exposure in this complicated class of business. During 2013, 2012, and 2011, we wrote $9.1 million, $8.4 million, and $9.5 million in premiums in this division, respectively.
Life Sciences underwrites general liability, products liability and/or professional liability coverage for manufacturers, distributors and developers of biologics (antibodies & vaccines used for the prevention of disease), nutraceuticals (health, nutrition and herbal supplements), human clinical trials and medical devices. We typically provide policy limits between $1.0 million and $5.0 million per occurrence and retain up to $1.0 million in limit net. The underwriter at the head of this division has 30 years of experience in the industry. During 2013, 2012, and 2011, we wrote $10.0 million, $9.9 million, and $7.9 million in premiums in this division, respectively.
Small Business concentrates on accounts with annual general liability insurance premiums of less than $10,000. All of our Small Business applications are submitted through our internet portal to facilitate quick turnaround and efficient processing. We generally write $1.0 million per occurrence limits and retain the