Some companies only sell term life insurance, but they are the exception and not the rule. Most companies that sell "buy term and invest the difference" are also companies that sell "term only" life insurance. Most companies that sell life insurance sell both term life insurance and permanent life insurance. Some life insurance companies have partners that sell extra policies to go along with their wide range of life insurance products. Term insurance is easy to shop for, but there are so many life insurance companies that sell it that it's crazy. When you choose a life insurance company, there are a number of things to think about. How would you like to be helped? It's important to answer that question, because it will help you figure out what kind of life insurance company will best meet your needs.
If you want professional advice on an ongoing basis, you should look into insurance companies that sell their products through agents. More and more people prefer to do everything themselves, either online or by phone with customer service reps. This is also how some insurance companies do business. Once you know what you want, you can choose from among the insurance companies that meet your needs. This kind of analysis will save you a lot of time if you want to get into a very big insurance market.
Next, you should ask yourself why you want to buy life insurance. This will help you figure out what kind of insurance policy to look for when you get quotes. Term insurance is usually the best way to protect debt coverage. You might want to look at companies that have a wide range of term investments. There are a lot of good insurance companies, and each state's insurance commissioner keeps a close eye on them. There is a company called AM Best that rates insurance companies based on how strong they are financially. This book can be found in most libraries.