Four rising firms snagged top honors in MIT’s Inclusive Innovation Competition (IIC) on Tuesday evening, as part of a new $1 million contest rewarding companies whose technologies can improve economic opportunity for people from a full range of income levels and social circumstances.

Among 20 companies receiving monetary awards, four were named as grand-prize champions: the work-force training firm Year Up, software job-training firm Laboratoria, apparel maker 99Degrees Custom, and health care delivery service Iora Health.

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