As Sweet G says,it's not about the company but the individual funds and most of the big names will have at least a dozen funds to choose from,but a lot will depend on your current age and your attitude to risk.
If you are 20 then you can afford to put your money in a more riskier fund as the returns over potentially 40-50 years are likely to be good.
However if you are 50 then you will have less time to ride the ups and downs of the stock market,so perhaps a with profits fund might be more suitable.